Roans Prairie (or Roan's Prairie) is an unincorporated community in Grimes County, in east central Texas, United States.

State Highways 30 and 90 intersect here, seventeen miles northeast of Navasota in central Grimes County.

[1] Public education in the community of Roans Prairie is provided by the Anderson-Shiro Consolidated Independent School District.

Roans Prairie is the planned location of the Brazos Valley station, one of the three stations part of Texas Central Railway high-speed line between Dallas and Houston.

The project has faced resistance from residents doubting the economic benefit and fearing eminent domain.