The 2017 Lamar Cardinals football team represented Lamar University in the 2017 NCAA Division I FCS football season.

The Cardinals were led by first-year head coach Mike Schultz and play their home games at Provost Umphrey Stadium.

They played as a member of the Southland Conference.

They finished the season 2–9, 1–8 in Southland play to finish in tenth place.