Myra Ellen Robinson Crownover (born April 26, 1947) is a businesswoman and politician from Lake Dallas in Denton County, north of the city of Dallas. Originally elected in 2000 as a Republican member of the Texas House of Representatives for District 64, she retired after declining to seek re-election in 2016. Under the state's 2012 redistricting process, her district was located completely in Denton County, including much or parts of Denton, Lake Dallas, Corinth, and Hickory Creek.