Theo Grant (born October 31, 2000) is a Canadian professional football offensive lineman for the Montreal Alouettes of the Canadian Football League (CFL).

Grant played U Sports football for the Queen's Gaels from 2019 to 2023.

[2] Following 2023 training camp, he returned to Queen's to complete his university eligibility.

[3] On January 10, 2024, it was announced that Grant had re-signed with the Alouettes to a three-year contract.

[4] He earned a roster spot in training camp in 2024 and made his professional debut as a backup offensive lineman on June 7, 2024, against the Winnipeg Blue Bombers.