Wynkoop can refer to:
- Henry Wynkoop
- Cornelius Wynkoop stone house
- Joel Wynkoop
- Wynkoop Brewing Company
- Mildred Bangs Wynkoop
- Edward W. Wynkoop
- Gerardus Wynkoop II, Pennsylvania Assemblyman and Speaker of the Pennsylvania House of Representatives in 1793
- Wynkoop Spring, West Virginia