| 1 | Tue Nov 5 | vs CSU Northridge | W87-67 | 1-0 | 1.000 | - | | Gill Coliseum · Corvallis, OR |
| 2 | Sat Nov 9 | vsIowa State | W80-74 | 2-0 | 1.000 | - | | Gill Coliseum · Corvallis, OR |
| 3 | Tue Nov 12 | vsOklahoma | L69-77 | 2-1 | .667 | - | ESPN2 | Moda Center · Portland, OR |
| 4 | Sat Nov 16 | atWyoming | W83-63 | 3-1 | .750 | - | | Arena Auditorium · Laramie, WY |
| 5 | Wed Nov 20 | vsUCSB | W78-67 | 4-1 | .800 | - | PACN | Gill Coliseum · Corvallis, OR |
| 6 | Sat Nov 23 | vsGrambling | W80-58 | 5-1 | .833 | - | PACN | Gill Coliseum · Corvallis, OR |
| 7 | Wed Nov 27 | vsSan Jose St | W83-48 | 6-1 | .857 | - | FS1 | Orleans Arena · Las Vegas, NV |
| 8 | Sun Dec 1 | vsPortland St | W81-76 | 7-1 | .875 | - | PACN | Gill Coliseum · Corvallis, OR |
| 9 | Sat Dec 14 | vsAR-Pine Bluff | W80-46 | 8-1 | .889 | - | PACN | Gill Coliseum · Corvallis, OR |
| 10 | Wed Dec 18 | atUTSA | W88-78 | 9-1 | .900 | - | | Toyota Center · Houston, TX |
| 11 | Sat Dec 21 | atTexas A&M | L49-64 | 9-2 | .818 | - | SEC Network | Reed Arena · College Station, TX |
| 12 | Sun Dec 29 | vsNorth Dakota | W83-66 | 10-2 | .833 | - | | Gill Coliseum · Corvallis, OR |
| 13 | Thu Jan 2 | atUtah | L69-81 | 10-3 | .769 | - | PACN | Jon M. Huntsman Center · Salt Lake City, UT |
| 14 | Sun Jan 5 | atColorado | W76-68 | 11-3 | .786 | - | ESPNU | CU Events Center · Boulder, CO |
| 15 | Thu Jan 9 | vsArizona St | L76-82 | 11-4 | .733 | - | ESPNU | Gill Coliseum · Corvallis, OR |
| 16 | Sun Jan 12 | vs24Arizona | W82-65 | 12-4 | .750 | - | FS1 | Gill Coliseum · Corvallis, OR |
| 17 | Thu Jan 16 | atWashington | L56-64 | 12-5 | .706 | - | FS1 | Alaska Airlines Arena · Seattle, WA |
| 18 | Sat Jan 18 | atWashington St | L76-89 | 12-6 | .667 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 19 | Thu Jan 23 | vsUCLA | L58-62 | 12-7 | .632 | - | FS1 | Gill Coliseum · Corvallis, OR |
| 20 | Sat Jan 25 | vsUSC | L55-75 | 12-8 | .600 | - | PACN | Gill Coliseum · Corvallis, OR |
| 21 | Thu Jan 30 | atStanford | W68-63 | 13-8 | .619 | - | PACN | Maples Pavilion · Stanford, CA |
| 22 | Sat Feb 1 | atCalifornia | L67-69 | 13-9 | .591 | - | PACN | Haas Pavilion · Berkeley, CA |
| 23 | Sat Feb 8 | vs14Oregon | W63-53 | 14-9 | .609 | - | PACN | Gill Coliseum · Corvallis, OR |
| 24 | Thu Feb 13 | vsUtah | W70-51 | 15-9 | .625 | - | PACN | Gill Coliseum · Corvallis, OR |
| 25 | Sat Feb 15 | vs16Colorado | L47-69 | 15-10 | .600 | - | FS1 | Gill Coliseum · Corvallis, OR |
| 26 | Thu Feb 20 | at24Arizona | L63-89 | 15-11 | .577 | - | PACN | McKale Center · Tucson, AZ |
| 27 | Sat Feb 22 | atArizona St | L73-74 | 15-12 | .556 | - | ESPNU | Desert Financial Arena · Tempe, AZ |
| 28 | Thu Feb 27 | at14Oregon | L54-69 | 15-13 | .536 | - | ESPN2 | Matthew Knight Arena · Eugene, OR |
| 29 | Thu Mar 5 | vsStanford | W68-65 | 16-13 | .552 | - | PACN | Gill Coliseum · Corvallis, OR |
| 30 | Sat Mar 7 | vsCalifornia | W74-56 | 17-13 | .567 | - | PACN | Gill Coliseum · Corvallis, OR |
| 31 | Wed Mar 11 | vsUtah | W71-69 | 18-13 | .581 | - | PACN | T-Mobile Arena · Las Vegas, NV |
