The 2023 Harvard Crimson football team represented Harvard University as a member of the Ivy League during the 2023 NCAA Division I FCS football season. The team was led by head coach Tim Murphy in his 29th and final season at Harvard, and played home games at Harvard Stadium in Boston. With a win against the Penn on November 11, the Crimson clinched at least a share of the Ivy League title. The Harvard Crimson football team drew an average home attendance of 11,555 in 2023.
The Ivy League's preseason prediction poll was released on August 7, 2023. The Crimson were predicted to finish fourth in the conference.
Starting quarterback Charles DePrima was benched in the second quarter after throwing his second interception of the game. Jade Craig would step in at quarterback for the rest of the game. With the win, head coach Tim Murphy broke the record for most Ivy League wins by a coach, with 136.