| Event | Time | Date | Name | Meet | History |
|---|---|---|---|---|---|
| 50 Free | 20.77 | Feb. 22, 2018 | Austin Lashley | SCIAC Championships | |
| 100 Free | 45.44 | Feb. 24, 2018 | Edward Dabsys | SCIAC Championships | |
| 200 Free | 1:40.79 | Feb. 22, 2020 | Zeke Sebastian | SCIAC Championships | |
| 500 Free | 4:38.77 | Feb. 22, 2018 | Zeke Sebastian | SCIAC Championships | |
| 1000 Free | 10:09.11 | Nov. 12, 2022 | Alex To | CLU vs Oxy | |
| 1650 Free | 16:29.52 | Feb. 24, 2019 | Matt Howard | SCIAC Championships | |
| 50 Back | 24.13 | Feb. 22, 2024 | Carter Park | SCIAC Championships | |
| 100 Back | 50.96 | March 17, 2006 | Dickson Fai | NCAA Division III Mens Championships | |
| 200 Back | 1:51.65 | Feb. 24, 2019 | Parag Kalay | SCIAC Championships | |
| 50 Breast | 26.98 | Jan. 6, 2015 | Steven Van Deventer | Occidental vs. Lewis and Clark, Westminster | |
| 100 Breast | 54.71 | Feb. 21, 2015 | Steven Van Deventer | SCIAC Championships | |
| 200 Breast | 1:58.21 | March 22, 2014 | Steven Van Deventer | NCAA Division III Championships | |
| 50 Fly | 23.29 | Feb. 4, 2017 | Austin Lashley | Occidental vs. Whittier | |
| 100 Fly | 47.88 | March 22, 2018 | Austin Lashley | NCAA Division III Championships | |
| 200 Fly | 1:49.29 | March 23, 2018 | Austin Lashley | NCAA Division III Championships | |
| 100 IM | 54.23 | Jan. 8, 2022 | Alex To | Occidental vs. Biola | |
| 200 IM | 1:46.25 | Jan. 12, 2019 | Beau Brauer | La Verne vs. Occidental | |
| 400 IM | 4:09.31 | Feb. 20, 2016 | Matthew Weiser | SCIAC Championships | |
| 200 Free Relay | 1:23.73 | Feb. 22, 2018 | Lashley, Sebastian, Dabsys, Granath | SCIAC Championships | |
| 400 Free Relay | 3:04.75 | Feb. 24, 2018 | Dabsys, Sebastian, Zunt, Lashley | SCIAC Championships | |
| 800 Free Relay | 6:51.17 | Feb. 21, 2019 | Sachs, Sebastian, Koupal, Granath | SCIAC Championships | |
| 200 Medley Relay | 1:32.32 | Feb. 15, 2023 | Park, Pittroff, Hoffman, Biggs | SCIAC Championships | |
| 400 Medley Relay | 3:24.52 | Feb. 21, 2014 | Westwater, Van Deventer, Najarian, Kuwata | SCIAC Championships |
