The 2018 Incarnate Word Cardinals football team represented the University of the Incarnate Word (UIW) in the 2018 NCAA Division I FCS football season as a member of the Southland Conference. The Cardinals played their home games at Gayle and Tom Benson Stadium in San Antonio, Texas. They were led by first year head coach Eric Morris. They finished the season 6–5, 6–2 in Southland play to win a share of the Southland Conference championship. They received an at-large bid to the FCS Playoffs, where they lost in the first round to Montana State. The Cardinals were set to play the Iowa State Cyclones during the first weekend in December, but the game was cancelled.