| Mode: | basketball |
| Year: | 2020–21 |
| Prev Year: | 2019–20 |
| Next Year: | 2021–22 |
| Team: | Stony Brook Seawolves |
| Conference: | America East Conference |
| Short Conf: | America East |
| Record: | 9–14 |
| Conf Record: | 7–9 |
| Head Coach: | Geno Ford |
| Hc Year: | 2nd |
| Asst Coach1: | Bryan Weber |
| Asst Coach2: | Dan Rickard |
| Asst Coach3: | Randal Holt |
| Stadium: | Island Federal Credit Union Arena |
The 2020–21 Stony Brook Seawolves men's basketball team represented Stony Brook University in the 2020–21 NCAA Division I men's basketball season. They played their home games at the Island Federal Credit Union Arena in Stony Brook, New York and were led by second-year head coach Geno Ford. They were members of the America East Conference. They finished the season 9-14, 7-9 in America East Play to finish in 7th place. In the America East tournament, they lost in the first round to UMass Lowell.
The Seawolves finished the 2019–20 season 20–13, 10–6 in America East play to finish in second place. They defeated Albany in the quarterfinals of the America East tournament before losing in the semifinals to Hartford.
| Name | Number | Pos. | Height | Weight | Year | Hometown | Notes | |
|---|---|---|---|---|---|---|---|---|
| Makale Foreman | 1 | G | 6'1" | 190 | R-Junior | Kingsport, TN | Transferred to California | |
| Miles Latimer | 2 | G | 6'3" | 190 | Sophomore | Fairfax, VA | Transferred to Bucknell | |
| Elijah Olaniyi | 3 | G | 6'5" | 205 | Junior | Newark, NJ | Transferred to Miami (FL) | |
| Jeff Otchere | 4 | C | 6'11" | 243 | Junior | Bronx, NY | Transferred to Texas–Rio Grande Valley | |
| Hassan Ceesay | 11 | G | 6'4" | 189 | Sophomore | Newark, NJ | Transferred to Campbellsville | |
| Quari Alleyne | 12 | F | 6'2" | 183 | Junior | Ossining, NY | Graduated | |
| Andrew Garcia | 23 | G/F | 6'5" | 228 | R-Junior | Harlem, NY | Transferred to Georgia | |
| Anthony Ochefu | 35 | F | 6'8" | 250 | Junior | West Chester, PA | Transferred to Delaware |
| Name | Number | Pos. | Height | Weight | Year | Hometown | Previous School | |
|---|---|---|---|---|---|---|---|---|
| Juwan White | 1 | G | 6'2" | 185 | Junior | Dacula, GA | Transferred from Butler Community College | |
| Leighton Elliott-Sewell | 3 | F | 6'6" | 187 | Junior | Derby, England | Transferred from Otero Junior College | |
| Tykei Greene | 4 | G | 6'4" | 205 | Junior | Queens, NY | Transferred from Manhattan | |
| Juan Felix Rodriguez | 5 | G | 6'0" | 190 | Junior | Lawrence, MA | Transferred from Monroe College | |
| Mohamed Diallo | 11 | F | 6'6" | 210 | Junior | Harlem, NY | Transferred from Northeastern Junior College | |
| Omar Habwe | 13 | F | 6'6" | 225 | Senior | Lexington, VA | Transferred from Mount St. Mary's | |
| Jaden Sayles | 23 | F | 6'9" | 235 | Senior | Cincinnati, OH | Transferred from Akron |
|-!colspan=12 style=| Non-conference regular season|-!colspan=12 style=| America East Conference regular season|-!colspan=12 style=| America East tournament|-Source[1]
2019–20 Stony Brook Seawolves women's basketball team