The 2023–24 UT Rio Grande Valley Vaqueros men's basketball team represented the University of Texas Rio Grande Valley in the 2023–24 NCAA Division I men's basketball season.

They were led by third-year head coach Matt Figger and played home games at UTRGV Fieldhouse as members of the Western Athletic Conference (WAC).

UTRGV announced on March 19, 2024 that it had fired Figger, who left with a 29–65 record after three seasons.

[1] Less than a week later, UTRGV announced that it would join the Southland Conference effective that July.

They were defeated by Tarleton State in the first round of the WAC tournament to end their season.