McJunkin is an Irish surname. Notable people with the surname include:
Daniel McJunkin, American Revolutionary patriot Ebenezer McJunkin (1819–1907), American politician from Pennsylvania George McJunkin (1851–1922), American cowboy in New Mexico who discovered the Folsom Site in 1908 John F. McJunkin (1830–1883), American politician Joseph McJunkin (1755–1846), American Revolutionary War patriot Katherine McJunkin, American biologist
See also Thomas-McJunkin-Love House, historic home located at Charleston, West Virginia Matt McJunkins (born 1983), American musician Prince McJunkins (1960–2021), American football player