Oscar Hogarth Cluff (born 22 November 2001) is an Australian college basketball player for the Purdue Boilermakers of the Big Ten Conference. He previously played for the Cochise College Apaches, Washington State Cougars, and South Dakota State Jackrabbits.
Cluff grew up on the Sunshine Coast of Queensland, Australia. He attended Kawana Waters State College.
Cluff began his college basketball career at Cochise College. After two years at Cochise, he transferred to Washington State. He averaged 7.0 points, 4.4 rebounds, and 1.2 assists per game in his only season with the Cougars. After the season and the departure of head coach Kyle Smith, Cluff entered the NCAA transfer portal.
Cluff transferred to South Dakota State. He averaged 17.6 points, 12.3 rebounds, and 2.8 assists per game and recorded 21 double-doubles in his only season with the Jackrabbits. Cluff was named Summit League Newcomer of the Year and first team all-conference at the end of the season. After the season, Cluff entered the transfer portal for a second time.
Cluff committed to play at Purdue.
|- | style="text-align:left;"| 2021âÂÂ22 | rowspan=2; style="text-align:left;"| Cochise College | 31 || 31 || 23.6 || .750 || â || .652 || || || || || 12.0 |- | style="text-align:left;"| 2022âÂÂ23 | 26 || 25 || || .748 || .000 || .647 || 9.8 || 2.3 || || || 18.2 |- | style="text-align:left;"| 2023âÂÂ24 | style="text-align:left;"| Washington State | 35 || 23 || 20.3 || .538 || 1.000 || .660 || 4.4 || 1.2 || .5 || .9 || 7.0 |- | style="text-align:left;"| 2024âÂÂ25 | style="text-align:left;"| South Dakota State | 30 || 30 || 27.7 || .634 || .667 || .778 || 12.3 || 2.8 || .5 || .8 || 17.6