Pettyjohn may refer to:
People Adam Pettyjohn (born 1977), American baseball player Angelique Pettyjohn (1943–1992), American actress and burlesque queen Barry Pettyjohn (born 1964), American football player Brian Pettyjohn (born 1974), American politician Fritz Pettyjohn (born 1945), American politician Jade Pettyjohn (born 2000), American actress
Places Crawford–Pettyjohn House, named in part after Frank Pettyjohn, a NRHP listed house in Pierre, South Dakota Pettyjohn, Marion County, West Virginia, an unincorporated community in Marion County Pettyjohn — a stopping place for wagon trails in Cold Fork, California Pettyjohn Cave, in Walker County, Georgia