Kadeem Frank Allen (born January 15, 1993) is an American professional basketball player for Pallacanestro Forlì of the Lega Serie A2.

Under the terms of the deal, he will split time between the Celtics and their G League affiliate, the Maine Red Claws.

[10] On February 2, 2018, Allen and teammate Jabari Bird were named to the Midseason All-NBA G League East Team after averaging 18.0 points, 5.9 rebounds, 5.0 assists, and 2.6 steals per game.

[21] On June 19, 2021, Allen signed with Hapoel Haifa of the Israeli Basketball Premier League.

[22] On June 9, 2023, Allen signed with the Calgary Surge of the Canadian Elite Basketball League.