Justin Anthony Keenan (born May 2, 1989) is an American professional basketball player for the Shonan United of the B.League.

[4] He attended Ottawa Hills High School in Grand Rapids, where he was a four-year letterwinner and an all-city selection in football.

[4] He was also an all-city selection in basketball and led his team to a 16–4 record while averaging 15 points, 10 rebounds and two assists per game as a senior.

[4] Keenan played college basketball for the NCAA Division II Ferris State Bulldogs.

[citation needed] Keenan signed with the Institución Atlética Larre Borges in Uruguay in 2011 and averaged 23 points and 11 rebounds per game in his first season, leading the league in scoring.