Post Oak is an unincorporated community in Spotsylvania County in the U.S. state of Virginia. Post Oak is located near the intersection of Courthouse Road and Post Oak Road. Post Oak Middle School, Virginia  and Spotsylvania High School are less than one-half mile away. A farm is next to Post Oak. Today, there is a supermarket located about two miles from Post Oak.
- ^ http://www.greatschools.net/modperl/browse_school/va/1650
- ^ official site of Spotsylvnia County
- ^ http://www.postoakmarket.com/home/