The 2017–18 Texas–Rio Grande Valley Vaqueros men's basketball team represented the University of Texas Rio Grande Valley during the 2017–18 NCAA Division I men's basketball season.

The Vaqueros, led by second-year head coach Lew Hill, played their home games at the UTRGV Fieldhouse as members of the Western Athletic Conference.

They lost in the quarterfinals of the WAC tournament to Seattle.

Due to Grand Canyon's ineligibility for postseason play, they received the No.

6 seed in the WAC tournament where they lost in the quarterfinals to UMKC.