Lomax is a neighborhood of La Porte, a city in Harris County, Texas, United States. Lomax once was a separate community.
The community was named after R.A. Lomax, a native of Illinois who went to the area in 1885 and donated land for a school.
Lomax incorporated in 1952 and became a city in 1966. In 1980 it was merged into the city of La Porte.