The 2015–16 Texas–Rio Grande Valley Vaqueros men's basketball team represented the University of Texas Rio Grande Valley during the 2015–16 NCAA Division I men's basketball season. This was head coach Dan Hipsher's third season with the UTRGV program, although his first under the "UTRGV" name. The Vaqueros played their home games at the UTRGV Fieldhouse on the university's campus in Edinburg, Texas and were members of the Western Athletic Conference. They finished the season 8–22, 4–10 in WAC play to finish in a tie for sixth place. They lost in the quarterfinals of the WAC tournament to Seattle.
