Marcus Zegarowski (born August 3, 1998) is an American professional basketball player who last played for Filou Oostende of the BNXT League.

Alongside twin brother Max, Marcus led the team to an undefeated season and the school's first-ever Division 4 state basketball championship.

[1] As a senior, Zegarowski was named NEPSAC AA player of the year and scored a career-high 57 points in a 118–116 double overtime win over the South Kent School.

[4] Zegarowski committed to playing college basketball for Creighton over offers from Ohio State, Minnesota, and Washington.

[7] Zegarowski scored a career-high 32 points and had five assists and two steals on November 30, in a 83–76 overtime win over Texas Tech.

[9] On March 7, Zegarowski suffered a right knee injury during the game against Seton Hall, but still managed to post 23 points, six rebounds, and five assists in the win.

Zegarowski was named to the First Team All-Big East and led the Bluejays to the Sweet 16 of the NCAA Tournament before falling to Gonzaga.

[23] On March 19, 2024, Zegarowski signed with Ironi Ness Ziona of the Israeli Basketball Premier League.