Leary is a city in Bowie County, Texas, United States. As portion of the Texarkana metropolitan area, it had a 2020 census population of 433, down from 495 in 2010.

Leary is located in eastern Bowie County at 33°28′10″N 94°13′16″W / 33.46944°N 94.22111°W / 33.46944; -94.22111 (33.469318, –94.221100). It is bordered upon the south by U.S. Route 82 and the Red River Army Depot. Interstate 30 passes along the northern edge of the city, with access from exits 212 and 213. Texarkana is 10 miles (16 km) to the east, and New Boston is 12 miles (19 km) to the west. According to the United States Census Bureau, Leary has a total area of 1.3 square miles (3.4 km²), of which 0.0077 square miles (0.02 km), or 0.68%, is water.

According to the 2000 U.S. census, there were 555 people, 223 households, and 177 families residing in the city. The population density was 214.7 inhabitants per square mile (82.9/km²). There were 240 housing units at an average density of 92.9 per square mile (35.9/km). The racial makeup of the city was 92.07% White, 5.77% African American, 0.54% Native American, 0.36% Asian, 0.36% from additional races, and 0.90% from two or more races. Hispanic or Latino of any race were 1.08% of the population.

There were 223 households, out of which 27.4% had kids under the age of 18 living taking into account them, 62.3% were married couples vibrant together, 11.7% had a female householder taking into consideration no husband present, and 20.6% were non-families. 19.7% of anything households were made happening of individuals, and 9.0% had someone busy alone who was 65 years of age or older. The average household size was 2.49 and the average relations size was 2.82.