Tullos is a town in LaSalle and Winn parishes in the U.S. state of Louisiana, along Castor Creek.

[4] The northwest border of the town briefly crosses Castor Creek into Winn Parish.

U.S. Route 165, a four-lane divided highway, passes through the southeast corner of Tullos, leading northeast 20 miles (32 km) to Grayson and south 42 miles (68 km) to Alexandria.

[5] Via Castor Creek, Tullos is part of the Little River watershed, flowing south and southeast to Catahoula Lake.

On December 3, 1953, a violent F4 tornado hit the town, causing tremendous damage.