Wightman (plural Wightmans)
- A surname.
- An unincorporated community in Calhoun County, Iowa, United States.
- An unincorporated community in Mecklenburg County, Virginia.
- According to the 2010 United States Census, Wightman is the 9927th most common surname in the United States, belonging to 3252 individuals. Wightman is most common among White (93.7%) individuals.