Gillham

Gillham may refer to:


 * Gillham, Arkansas, a town in Sevier County, Arkansas, United States
 * Gillham Lake, a reservoir in Howard County and Polk County, Arkansas

People with the surname

 * Art Gillham (1895–1961), American songwriter
 * Jayson Gillham (born 1986), Australian classical pianist
 * Mary Gillham (1921–2013), English naturalist and writer
 * Nicholas Gillham (1932–2018), American geneticist
 * Ron Gillham, American politician