Toomer is a surname. Notable people with the surname include:
Jean Toomer, American poet of the Harlem Renaissance
Amani Toomer, football player formerly with the New York Giants, now a Free Agent
Gerald J. Toomer, historian of astronomy and mathematics
Ron Toomer, roller coaster designer
Fred A. Toomer, Third Vice-President and member of the Board of Directors of Atlanta Life Insurance Company
Walter Toomer (1883–1962), English footballer