Byahaut Bat Cave is a coastal cave in the Caribbean Island of St. Vincent on the Western Coast.

The cave is a local landmark for boats organising diving and snorkeling trips for tourists.

The cave is believed to contain a large and noisy bat population.

13°11′11″N 61°15′47″W/13.18639°N 61.26306°W/ 13.18639; -61.26306