| NASA Spacelab (x45) | ||
| Spacelab-1 | 1 May 1978 | Fisher, Craig L. | Unknown | No Flights |
| Lichtenberg, Byron Kurt | 19 February 1948 | STS-9, STS-45, STS-61K (Cancelled) |
| Lampton, Michael Logan | 1 March 1941 | STS-9 BU, STS-61K (Cancelled) |
| Menzies, Robert T. | Unknown | No Flights |
| Terrile, Richard J. | Unknown | No Flights |
| Whitaker, Ann F. | Unknown | No Flights |
| Spacelab-2 | 1 April 1978 | |
| Acton, Loren Wilber | 7 March 1936 | STS-51F |
| Bartoe, John David Francis | 17 November 1944 | STS-51F |
| Harvey, John W. | Unknown | No Flights |
| Prinz, Dianne Kasnic | 29 September 1938 | STS-51F BU & Sunlab 1 P (Cancelled) |
| Patchett, Bruce E. | Unknown | No Flights |
| Peterson, N. Paul | Unknown | No Flights |
| Simon, George Warren | 22 April 1934 | STS-51F BU & Sunlab-1/P (can.) |
| Strong, Keith T. | Unknown | No Flights |
| Spacelab-2 | 1 June 1983 | |
| Johnston, Mary Helen | 17 September 1945 | STS-51B BU |
| Trihn, Eugene Huu-Chau | 14 September 1950 | STS-51B BU (see USML-1) |
| van den Berg, Lodewijk | 24 March 1932 | STS-51B |
| Wang, Taylor Gun-Jin | 16 June 1940 | STS-51B |
| Spacelab 4/SLS-1 & 2 | 1 January 1984 | Original selected to STS-61 D |
| Gaffney, Francis Andrew | 9 June 1946 | STS-40, STS-71E BU |
| Hughes-Fulford, Millie Elizabeth W. | 21 December 1946 | STS-40, STS-71E BU (Cancelled), 81-M BU (Cancelled) |
| Philips, Robert Ward | 21 January 1929 | STS-40 BU |
| Williams, William Alvin | 9 February 1941 | No Flights |
| ASTRO 1-3 | 1 June 1984, first three selected to STS-61E | Last two on 1 May 1993 |
| Durrance, Samuel Thornton | 17 September 1943 | STS-35 & 67, STS-61E (Cancelled) |
| Parise, Ronald Anthony | 24 May 1951 | STS-35 & 67, STS-61E (Cancelled) |
| Nordsieck, Kenneth Hugh | 19 February 1946 | STS-71A, 71M (Cancelled), STS-61E BU (Cancelled) |
| Vangen, Scott D. | 12 December 1959 | STS-67 BU |
| Bartoe, John D. F. | 17 November 1944 | STS-67 BU |
| ATLAS-1 (EOM-1 & 2) | 1 December 1985 | Originally for STS-51H (See Belgium) |
| Lichtenberg, Byron K. | See Spacelab-1 | STS-9, STS-45, STS-61K (Cancelled) |
| Chappell, Charles Richard | 2 June 1943 | STS-61K BU (Cancelled) |
| Lampton, Michael L. | Unknown | STS-45 BU |
| Starlab | 1 July 1987 | STS-50 (Cancelled) |
| Bechis, Kenneth Paul | 22 July 1949 | STS-50 BU (Cancelled) |
| Boesen, Dennis Lee | 9 August 1942 | STS-50 (Cancelled) |
| IML-1 & 2 | 1 January 1990 | |
| Crouch, Roger Keith | 12 September 1940 | STS0-42 BU |
| Sanchez, Julie | Unknown | STS-65 BU |
| USML-1 | 1 August 1990 | |
| DeLucas, Lawrence James | 11 July 1950 | STS-50 |
| Prahl, Joseph Markel | 30 March 1943 | STS-50 BU |
| Trihn, Eugene Huu-Chau | 14 September 1950 | STS-50 |
| Sacco Jr., Albert | 3 May 1950 | STS-73, STS-50 BU |
| Spacelab-J | 1 November 1990 | |
| Koszelak Jr., Stanley Norbert | 20 October 1953 | STS-47 Alt. |
| SLS-2 | 1 December 1991 | |
| Buckey, Jay Clark | 6 June 1956 | STS-90, STS-58 Alt |
| Fettman, Martin Joseph | 31 December 1956 | STS-58 |
| Young, Lawrence Retman | 19 December 1935 | STS-58 Alt |
| USML-2 | 1 January 1994 | |
| Holt, Ray Glynn | 28 November 1959 | STS-73 BU |
| Leslie, Frederick Weldon | 19 December 1951 | STS-73 |
| Manhiesen, David H. | Unknown | STS-73 BU |
| Sacco Jr., Albert | 3 May 1950 | STS-73, STS-50 BU |
| MSL-1 | 1 January 1996) | |
| Crouch, Roger Keith | 12 September 1940 | STS-83 & 94 |
| Linteris, Gregory Thomas | 4 October 1957 | STS-83 & 94 |
| Ronney, Paul David | 1 May 1957 | STS-83 BU & 94 BU |
| NEUROLAB | 1 January 1996 | |
| Buckey, Jay Clark | 6 June 1956 | STS-90, STS-58 Alt |
| Dunlap, Alexander William | 15 July 1960 | STS-90 BU |
| Pawelczyk, James Anthony | 20 September 1960 | STS-90 |
| DOD Manned Spaceflight Engineers (x34) | ||
| Group 1 | 1 August 1979 | |
| Casserino, Frank James | 21 July 1955 | STS-41H (Cancelled), 61N (Cancelled) |
| Detroye, Jeffrey Eliot | 14 January 1955 | STS-41 E (Cancelled) |
| Hamel, Michael Anthony | 24 December 1950 | No Flights |
| Hatielid, Carl | Unknown | Declined posting |
| Higbee, Terry Alan | 3 December 1949 | Withdrawn due to health |
| Joseph, Daryl James | 17 December 1949 | STS-41 H BU, 61N BU (Cancelled) |
| Lydon, Malcolm Webb | 3 June 1946 | No Flights |
| Payton, Gary Eugene | 20 June 1948 | STS-51C, STS-10 & 41 H (Cancelled) |
| Rij, Jerry Jerome | 23 February 1950 | No Flights |
| Schlein, Paul B. (USN) | Unknown | Declined posting |
| Sefcheck, Paul Andrew | 7 July 1946-23 July 1997 | No Flights |
| Sundberg, Eric Edward | 10 April 1945 | STS-41 E BU (Cancelled) |
| Vidrine, David Matthew (USN) | 21 November 1943 | STS-41 C (Withdrawn) |
| Watterson, John Brett | 10 September 1949 | STS-62 A (Cancelled), STS-41 E BU |
| Wright, Keith Charles | 31 August 1947 | STS-51 C Sup., STS-10 BU (Cancelled) |
| Group 2 | 1 September 1982 | |
| Armor Jr., James Burton | 25 September 1950 | No Flights |
| Booen, Michael Waren | 30 May 1957 | STS-51 J BU |
| Holder Jr., Livingston Lionel | 29 September 1956 | No Flights |
| James, Larry Dean | 8 August 1956 | No Flights |
| Jones, Charles Edward | 8 November 1952 | STS-71B (Cancelled) |
| LaComb, Maureen Cecil | 16 November 1956 | STS-50 (Cancelled) |
| Mantz, Michael Ray | 16 February 1953 | STS-61 A BU (Cancelled) |
| Odle, Randy Thomas | 8 September 1951 | STS-62 A (Withdrawn) |
| Pailes, William Arthur | 26 June 1952 | STS-51 J |
| Puz, Craig Anton | 24 June 1954 | STS-50 (Cancelled) |
| Roberts, Katherine Eileen Sparks | 25 June 1954 | STS-62 B (Cancelled) |
| Sponable, Jess Mitchell | 29 November 1955 | No Flights |
| Thompson, William David | 14 January 1956 | GPS 2 |
| Yeakel, Glenn Scott | 28 May 1956 | Teal Ruby (Cancelled) |
| Group 3 | 1 September 1985 | |
| Carretto Jr., Joseph Anthony | 30 January 1957 | No Flights |
| Crombie, Robert Buck | 27 February 1954 | Teal Ruby (Cancelled) |
| DeArmond, Frank Maxton | 27 November 1954 | No Flights |
| Staib Jr., David Paul | 20 June 1955 | No Flights |
| Stevens, Theresa Mary | 25 November 1960 | No Flights |
| Observer Program | ||
| USN Civilian Oceanographers | 1 June 1984 | |
| Scully-Power, Paul Desmond | 28 May 1944 | STS-41 G |
| Stevenson, Robert Everett | 15 January 1921 | STS-41 G BU (was Prime), 61 K (Cancelled) |
| Congress 1 | 1 November 1984) | |
| Garn, Senator Edwin Jacob �Jake' | 12 October 1932 | STS-51 D |
| Nelson, Rep. Clarence William Nelson | 29 September 1942 | STS-61 C |
| Congress 2 | 1 September 1985 | |
| Gorton, Sen. Slade | Unknown | No Flights |
| Faqua, Rep. Don | Unknown | No Flights |
| Teacher-in-Space | 19 July 1985 | |
| Beres, Kathleen A. | Unknown | No Flights |
| McAuliffe, Sharon Christa | 2 September 1948-28 January 1986 | STS-51 L |
| Morgan, Barbara Radding | 28 November 1951 | STS-51 L BU |
| Forester, Robert S. | Unknown | No Flights |
| Garcia, Judith M. | Unknown | No Flights |
| Lathlaen, Margaret J. | Unknown | No Flights |
| Marquart, David M. | Unknown | No Flights |
| Metcalf, Michael W. | Unknown | No Flights |
| Methia, Richard A. | Unknown | No Flights |
| Wenger, Nancy M. | Unknown | No Flights |
| Department of Defense/USAF | 1 August 1985 | |
| Under Secretart Aldridge, Edard Cleveland | 18 August 1938 | STS-62 A (Cancelled) |
| Sys. Com. Skantze, Lawrence Albert | 24 June 1928 | No Flights |
| Weather Officers | ||
| Group 1 | 1 November 1985 | |
| Aufderhaar, Grant Clifford | 20 August 1948 | STS-61 M BU (Cancelled) |
| Lewis Jr., Fred Parker | 2 March 1949 | STS-61 M (Cancelled) |
| Townsend, Ronald Dean | 19 June 1948 | No Flights |
| Group 2 | 4 February 1988 | |
| Anderson Jr., Lloyd Lynn | 28 February 1952 | No Flights |
| Weaver, Carol Lynn Belt | 30 January 1953 | No Flights |
| US Army Observers | ||
| 3 Intelligence Officers | 1 February 1988 | |
| Belt, Michael Eugene | 9 September 1957 | STS-44 BU |
| Hasker, Joel | Unknown | No Flights |
| Hennen, Thomas John | 17 August 1952 | STS-44 |
| 3 Geologists | 1 June 1990 | |
| Bailey, Palmer Kent | 27 October 1947 | STS-53 (Withdrawn) |
| Clegg, Robert H. | 23 August 1946 | STS-53 (Withdrawn) |
| Hoffpauir, Michael E. | Unknown | STS-53 (Withdrawn) |
| McDonnell Douglas | 1 January 1983 | |
| Walker, Charles David | 29 August 1948 | STS-41D, 51D, 61B, STS-61M BU (Cancelled), 71D BU (Cancelled) |
| Wood, Robert Jackson | 26 June 1957 | EOS-1 (Cancelled), STS-61 H (Cancelled), STS-41D BU, 51D BU, 61B BU |
| Hughes | 1 July 1984 | |
| Butterworth, William Louis | 17 July 1948 | STS-51L BU, 51D BU, 61C BU |
| Cunningham, Steven Lee | 10 September 1945 | STS-61L BU (Cancelled) |
| Jarvis, Gregory Bruce | 25 August 1944-28 January 1986 | STS-51L |
| Konrad, John Harrison | 12 March 1949 | STS-61L (Cancelled) |
| RCA | 1 December 1985 | |
| Cenker, Robert Joseph | 5 November 1948 | STS-61C |
| Magilton, Gerrard Edward | 7 May 1942 | STS-61C BU |
| American Satellite Company | 1 June 1984 | |
| Hoernig Jr., Otto William | 21 July 1938 | STS-71C (Cancelled) |
| Foreign Nationals (x83) | ||
| ESA/Spacelab-1 | December 1977 | |
| Malerba, Franco Egidio (Italy) | 10 October 1946 | STS-46 |
| Merbold, Ulf Dietrich (Germany) | 20 June 1941 | STS-9, 42, Soyuz-TM 20, STS-61N BU (Cancelled) |
| Nicollier, Claude (Swis.) | 2 September 1944 | STS-46, 61, 75, & 103 due, STS-61K (Cancelled) |
| Ockels, Wubbo Johannes (Neth) | 28 March 1946 | STS-61A, STS-9 BU |
| Belgium | ||
| ESA Group 1 | 1 January 1985 | |
| Halleux, Lucien | Unknown | No Flights |
| Cosmonaut Group | 1989 | |
| Pletser, Vladimir | Unknown | No Flights |
| Stessens, Werner | Unknown | No Flights |
| ESA Group 2 | 15 May 1992 | |
| Frimout, Dirk Dries David | 21 March 1941 | STS-45, STS-61K BU (Cancelled) |
| ESA Group 3 | 1 May 1998 | |
| Cheli-Merchez, Marianne | 25 October 1960 | No Flights |
| DeWinne, Franck | 25 April 1961 | No Flights |
| Canada | ||
| Group 1 | 5 December 1983 | |
| Bondar, Roberta Lynn | 4 December 1945 | STS-42 |
| Garneau, Marc | 23 February 1949 | STS-41G, 77 |
| MacLean, Steven Glenwood | 14 December 1954 | STS-52, STS-71F (Cancelled) |
| Money, Kenneth Eric | 4 January 1935 | STS-42 BU |
| Thirsk, Robert Brent | 17 August 1953 | STS-78, STS-41G BU |
| Tryggvason, Blami Valdimar | 21 September 1945 | STS-85, STS-52 BU, STS-61I BU (Cancelled), 71I BU (Cancelled) |
| Group 2 | 9 June 1992 | |
| Hadfield, Chris Austin | 29 August 1959 | STS-74 |
| McKay, Michael John | 10 May 1963 | No Flights |
| Payette, Julie | 20 October 1963 | STS-96 |
| Stewart, Robert | Unknown | No Flights |
| Williams, Dafydd (David) Rhys | 16 May 1954 | STS-90 |
| France | ||
| Group 1 | 12 June 1980 | |
| Baudry, Patrick | 6 March 1946 | STS-51G, Soyuz-T 6 BU, STS-51E (Cancelled) |
| Chretien, Jean-Loup J. | 20 August 1938 | Soyuz-T 6, Soyuz-TM 7, STS-86, STS-51 G BU |
| Group 2 | 9 September 1985 | |
| Andre-Deshays, Claude | 13 May 1957 | Soyuz-TM 24, Soyuz-TM 17 BU |
| Clervoy, Jean-Francois | 19 November 1958 | STS-66, 84, Soyuz-TM 7 Sup |
| Favier, Jean-Jacques | 13 April 1949 | STS-78, STS-65 Sup |
| Haignere, Jean-Pierre | 19 May 1948 | Soyuz-TM 17, 29, Soyuz-TM 15 BU, 27 BU |
| Patat, Frederic | 24 June 1958 | Withdrawn |
| Tognini, Michel Ange | 30 September 1949 | Soyuz-TM 15, STS-93, Soyuz-TM 7 BU |
| Viso, Michel | 16 June 1951 | No Flights |
| Group 3 | 1 July 1990 | |
| Eyharts, Leopold | 28 April 1957 | Soyuz-TM 27, Soyuz-TM 24 BU |
| Gasparini, Jean-Marc Michel Daniel | 22 January 1963 | No Flights |
| Perrin, Philippe | 6 January 1963 | No Flights |
| Silve, Benoit | Unknown | No Flights |
| Germany | ||
| Group 1 | December 1977 | |
| Merbold, Ulf Dietrich | 20 June 1941 | STS-9, 42, Soyuz-TM 20, STS-61 A BU |
| Group 2 | 1 December 1982 | |
| Furrer, Reinhard Alfred | 25 November 1940-9 September 1995 | STS-61 A |
| Messerschmid, Ernst Will | 21 May 1945 | STS-61 A |
| Group 3 | 3 August 1987 | |
| Bruemmer, Rente Louise | 4 May 1955 | STS-55 BU |
| Schlegel, Hans-Wilhelm | 3 August 1951 | STS-55, Soyuz-TM 25 BU |
| Thiele, Gerhard Julius Paul | 2 September 1953 | STS-99 due, STS-55 BU |
| Walpot, Heike | 19 June 1960 | No Flights |
| Walter, Ulrich | 9 February 1954 | STS-55 |
| Group 4 | 10 August 1990 | |
| Ewald, Reinhold | 18 December 1956 | Soyuz-TM 25 & 14 BU |
| Flade, Klause-Dietrich | 23 August 1952 | Soyuz-TM 14 |
| Group 5 | 15 May 1992 | |
| Reiter, Thomas | 23 May 1958 | Soyuz-TM 22 |
| Great Britain | 1 April 1984 | Program cancelled �86 |
| Boyle, Anthony Hugh | 18 January 1941 | STS-61 H BU (Withdrew) |
| Farrimond, Richard Alfred | 15 September 1946 | STS-61 H BU (Cancelled) |
| Holmes, Christoper John Nicholas | 10 July 1950 | STS-71 B BU (Cancelled) |
| Longhurst, Peter Harvey | 8 March 1943 | STS-71 B (Cancelled) |
| Wood, Nigel Richard | 21 July 1949 | STS-61 H (Cancelled) |
| India | 1 November 1985) | |
| Bhat, Nagapathi Chidambar | 1 January 1948 | STS-61I BU (Cancelled) |
| Radhakrishnan, Nair Paramaswaren | 25 December 1943 | STS-61I (Cancelled) |
| Indonesia | 1 January 1983 | |
| Akbar, Taufik | 8 January 1951 | STS-61 H BU (Cancelled) |
| Harimurti, Bambang | Unknown | No Flights |
| Jasuf, M. K. | Unknown | No Flights |
| Sudarmono, Pratiwi | 31 July 1952 | STS-61 H (Cancelled) |
| Italy | ||
| Group 1 | 12/77 | |
| Malerba, Franco | 10 October 1946 | STS-46 |
| Group 2 | 1 January 1984 | |
| Lorenzoni, Andrea | 8 August 1946 | TSS-1 (Withdrew) |
| Batalli-Cosmovici, Cristiano | 2 June 1943 | TSS-1 BU |
| Guidoni, Umberto | 18 August 1954 | STS-75, STS-46 BU |
| Rossitto, Franco | 1 February 1940 | TSS-1 BU |
| Santonico, Stetano | Unknown | No Flights |
| Group 3 | 15 May 1992 | |
| Cheli, Maurizio | 4 May 1959 | STS-75 |
| Urbani, Luca | 5 November 1957 | STS-78 BU |
| Japan | 1 August 1985 | |
| Doi, Takao | 18 September 1954 | STS-87, STS-47 Alt., 81G BU (Cancelled) |
| Mohri, Mamoru Mark | 29 January 1948 | STS-47, STS-81G (Cancelled) |
| Mukai-Naito, Chiaki | 6 May 1952 STS-65, 95, STS-47 Alt., 90 BU, 81G (Cancelled) | |
| Noguchi, Shoichi | 15 April 1965 | No Flights |
| Wakata, Koichi | 1 August 1963 | STS-72 |
| Mexico | 1 July 1985 | |
| Fabi, Ricardo Peralta y | 15 August 1950 | STS-61 B BU |
| Vela, Rudolfo Neri | 19 February 1952 | STS-61 B |
| Saudi Arabia | 1 July 1985 | |
| Al-Bassam, Abdulmohsen Hamad | 12 December 1948 | STS-51 G BU |
| al-Saud, Sultan bin Salman bin Abdulaziz | 27 June 1956 | STS-51 G |
| ESA Group | 6 October 1989 | |
| Austria | ||
| Lothaller, Clemens | 8 May 1963 | Soyuz-TM 13 BU |
| Viehbock, Franz | 24 August 1960 | Soyuz-TM 13 |
| Belgium | ||
| Cheli-Merchez, Marianne | 25 October 1960 | No Flights |
| DeWinne, Franck | 25 April 1961 | No Flights |
| Denmark | ||
| Hvidteldt, Henrik | Unknown | No Flights |
| France | ||
| Clervoy, Jean-Francois | 19 November 1958 | STS-66, 84, Soyuz-TM 7 Sup |
| Eyharts, Leopold | 28 April 1957 | Soyuz-TM 27, Soyuz-TM 24 BU |
| Perrin, Philippe | Unknown | No Flights |
| Germany | ||
| Flade, Klause-Dietrich | 23 August 1952 | Soyuz-TM 14 |
| Reiter, Thomas | 23 May 1958 | Soyuz-TM 22 |
| Schlegel, Hans-Wilhelm | 3 August 1951 | STS-55, Soyuz-TM 25 BU |
| Thiele, Gerhard Julius Paul | 2 September 1953 | STS-99 due, STS-55 BU |
| Ireland | ||
| Bolger, Ciaran | Unknown | No Flights |
| Butler, Wiliam | Unknown | No Flights |
| McMahon, Deidre | Unknown | No Flights |
| Italy | ||
| Cheli, Maurizio | 4 May 1959 | STS-75 |
| Urbani, Luca | 5 November 1957 | STS-78 BU |
| The Netherlands | ||
| Kuipers, Andre | 5 October 1958 | No Flights |
| Sweden | ||
| Fuglesang, Christer Arne | 18 March 1957 | Soyuz-TM 22 BU |
| Norway | ||
| Emevoll, Gaute Thomas | Unknown | No Flights |
| Spain | ||
| Aldana, Cesar Arteaga | Unknown | No Flights |
| Duque, Pedro Francisco | 14 March 1962 | STS-95, Soyuz-TM 20 BU |
| Switzerland | ||
| Wurst, Martin | Unknown | No Flights |
| United Kingdon | ||
| Mace, Timothy Kristian Charles | 20 November 1955 | Soyuz-TM 12 BU |
| Sharman, Helen Patricia | 30 May 1963 | Soyuz-TM 12 |