The 2018 Cornell Big Red football team represented Cornell University in the 2018 NCAA Division I FCS football season as a member of the Ivy League.

They were led by sixth-year head coach David Archer and played their home games at Schoellkopf Field.

Cornell finished the season 3–7 overall 2–5 in Ivy League play to place seventh.

The Big Red hosted Ivy League foes Yale, Harvard, Penn, and Dartmouth, and traveled to Brown, Princeton, and Columbia.

In 2018, Cornell's non-conference opponents were Delaware of the Colonial Athletic Association, Sacred Heart of the Northeast Conference, and Colgate of the Patriot League.