Jester is the surname of:
Beauford H. Jester (1893–1949), Governor of Texas from 1947–1949
George Taylor Jester (1847–1922), Lieutenant Governor of Texas from 1895–1899, father of Beauford
Ralph Jester (1901–1991), American costume designer
Virgil Jester (born 1927), former Major League Baseball pitcher
Simon Jester, an alias of the sentient computer Mike in Robert Heinlein's novel The Moon is a Harsh Mistress
