The 2018 Duke Blue Devils football team represented Duke University in the 2018 NCAA Division I FBS football season as a member of the Atlantic Coast Conference (ACC) in the Coastal Division.

The team was led by head coach David Cutcliffe, in his 11th year, and play ed its home games at Wallace Wade Stadium in Durham, North Carolina.

The Blue Devils finished the regular season with an 8–5 overall record.

They went 3–5 in ACC play to finish in sixth place in the Coastal Division.

The Blue Devils signed a total of 16 recruits.