2018 Lamar Cardinals baseball team

The 2018 Lamar Cardinals baseball team represented Lamar University during the 2018 NCAA Division I baseball season as members of the Southland Conference. The Cardinals played their home games at Vincent–Beck Stadium and were led by second–year head coach Will Davis. The team compiled a 19–36 overall record and were 13–17 in conference play tied for tenth place. They failed to qualify for the SLC tournament.