Stillman is sometimes used as a given name. People with the name include:

Stillman Drake (1910–1993), Canadian and American historian of science Stillman T. Meservey (1848–1927), American, banker, industrialist, and politician Stillman Rouse (1917–1997), American professional football player Stillman Witt (1808—1875), American railroad and steel industry executive

See also Stillman (surname)