The following Oregon State Athletes have competed in the Olympic Games (special thanks to Cindy Arbelbide):
| Year | Name | Country | Sport | Medal | |
| 1908 | Forrest Smithson | USA | Track 110 M HH (15.0) | Gold |
| 1920 | Louis "Hap" Kuehn | USA | Diving - Springboard (675.4) | Gold |
| | Clarence Pinkston | USA | Diving - Platform (503.3) | Gold |
| | | Diving - Springboard (655.3) | Silver |
| 1924 | Robin Reed | USA | Wrestling - 134.5 Free | Gold |
| | Chet Newton | USA | Wrestling -134.5 Free | Silver |
| | David Fall | USA | Diving - Platform (97.3) | Silver |
| | Ray Dodge | USA | Track 800 M | 6th | |
| | Clarence Pinkston | USA | Diving - Springboard (653 pts) | Bronze |
| | USA | Diving - Platform (94.6 pts) | Bronze |
| 1948 | Lew Beck | USA | Basketball (8 wins, 0 losses) | Gold |
| 1960 | Lynn Eves | Canada | Track 100 M (10.8)/200 M (21.9)/4x100 (41.1) |
| | Fritz Fivian | USA | Wrestling - Greco (160.75/73 kg) | 20th | |
| 1964 | Mel Counts | USA | Basketball (9 wins, 0 losses) | Gold |
| | Ron Finley | USA | Wrestling - Greco (138.75/63 kg) | 4th | |
| | Morgan Groth | USA | Track 800 M (1:51.4) |
| | Jean Saubert | USA | Skiing (Giant Slalom) - 1:53.11 | Silver |
| | | Skiing (Slalom) - 1:31.36 | Bronze |
| 1968 | Dick Fosbury | USA | High Jump (7-4 1/2) | Gold |
| | Jess Lewis | USA | Wrestling - Freestyle (213.5/97 kg) | 6th |
| | Bob McLaren | Canada | Track 400 M Hurdles (51.8) | | |
| | Hank Schenk | USA | Wrestling - Greco (213.5/97 kg) | |
| | Tracy Smith | USA | Track 10,000 M (30:14.6) | 11th |
| | Gary Stenlund | USA | Track Javelin (241-2.5) | |
| 1972 | Hailu Ebba | Ethiopia | Track 1,500 M (3:43.7) | semis |
| | Ed Bennett | | Yachting | |
| | Lahcen Samsame | Morocco | Shot Put (63-6 1/4) | 15th |
| | Hank Schenk | USA | Wrestling - Free (220/100 kg) |
| | Tim Vollmer | USA | Discus (197-7 1/2/60.24 m) | 8th |
| 1976 | Hailu Ebba | Ethiopia | Track 1,500 M | Boycotted |
| | Kasheef Hassan | Sudan | Track 400 M | Boycotted |
| | Joni Huntley | USA | High Jump (6-2 1/2/1.89 m) | 5th |
| | Kathy Weston | USA | Track 800 M (2:03.31) |
| | Lynne Winbigler | USA | Discus (158 2 1/2/48.22 m) | 14th | |
| | Robert Zagunis | USA | Rowing (men's 4/6:54.92) | 11th |
| 1980 | Kasheef Hassan | Sudan | Track - 400 M | Boycotted |
| | Thomas Woodman | USA | Rowing (men's 8) | Boycotted |
| | Patti Jo Knorr | Canada | Gymnastics | Boycotted | |
| 1984 | Cynthia Greiner | USA | Heptathlon (6281 pts) | 4th |
| | Carol Menken-Schaudt USA | Basketball | Gold |
| | Joni Huntley | USA | High Jump (6-5 1/1.97 m) | Bronze |
| | Kasheef Hassan | Sudan | Track - 400 M | Boycotted |
| | Ron Finley | USA | Wrestling - Greco Coach |
| 1988 | Cynthia Greiner | USA | Heptathlon (6297 pts) | 8th |
| | Horst Niehaus | Costa Rica | Swimming - Back (100 M/1:01.91) |
| | | Swimming - Back (200 M/2:12.83) | |
| | | Swimming - Ind. Medley (2:16.16) |
| | Jose Ortiz | Puerto Rico | Basketball (4 wins, 4 losses) | 7th |
| 1992 | Cynthia Greiner | USA | Heptathlon (6300 pts) | 9th |
| | Jose Ortiz | Puerto Rico | Basketball (3 wins, 5 losses) | 8th |
| 1996 | Les Gutches | USA | Wrestling - 180.5 Free | 7th |
| | Gary Payton | USA | Basketball | Gold |
| | Jose Ortiz | Puerto Rico Basketball (2 wins, 5 losses) | 10th |
| | Greg Strobel | USA | Wrestling - Freestyle Co-Coach | |
| | Mike R. Jones | USA | Wrestling - Freestyle Asst. Coach |
| 2000 | Amy Martin | USA | Rowing (women's 8) | 6th |
| | Gary Payton | USA | Basketball (7 wins, 0 losses) | Gold |
| | Greg Strobel | USA | Wrestling - Freestyle Co-Coach) |
| | Selina Scoble | Australia | Volleyball | |
| 2002 | Jill Bakken | USA | Bobsled (2-women) | Gold |
| 2004 | Oscar Wood | USA | Wrestling - 145.5 Greco | |
| | Birte Steven | Germany | Swimming - 200 M Breast (2:29.22) | |
| | Joey Hansen | USA | Rowing+8 (5:42.48) | Gold |
| | Crystal Draper | Greece | Softball |
| | Jose Ortiz | Puerto Rico | Basketball (3 wins, 4 losses) | 6th |
| 2008 | Saori Haruguchi | Japan | Swimming - 200 IM (4:45.22) | |
| | Heinrich Barnes | South Africa | Wrestling - (141.5/66 kg) | | | |
| | Robbie Findley # | USA | Soccer | |
| | Josh Inman | USA | Rowing (men's 8/5:23.34) | Bronze |
| | Olivia Vivian* | Australia | Gymnastics (Artistic/uneven -14.925) | |
| | Brian Barden | USA | Baseball (6 wins, 3 losses) | Bronze |
| 2012 | Kim Butler | England | Basketball |
| | Patricia Obee | Canada | Rowing |
| | Olivia Vivian # | Australia | Gymnastics |
