Belmena is an unincorporated community located in Milam County, Texas, United States.

A post office was established at Belmena in 1900 and remained in operation until 1906.

The 1941 county highway map showed several scattered homes and businesses in the community.

[2] Belmena is located on Farm to Market Road 485, 5 mi (8.0 km) northeast of Cameron in north-central Milam County.

[2] Today, the community is served by the Cameron Independent School District.