1973 Lamar Cardinals football team

The 1973 Lamar Cardinals football team represented Lamar University as a member of the Southland Conference during the 1973 NCAA Division II football season. Led by 11th-year head coach Vernon Glass, the Cardinals compiled an overall record of 5–5 with a mark of 3–2 in conference play, tying for second place in the Southland. Lamar played home games at Cardinal Stadium in Beaumont, Texas.