Parnell is a masculine given name borne by:

People Parnell Bradbury (1904–1977), British writer, playwright and theatre critic Parnell Dickinson (born 1953), American former National Football League quarterback Parnell Gourlay (1879–1958), Canadian amateur soccer player on the 1904 Olympic champion team Parnell Hall (writer) (1944–2020), American mystery writer Parnell Motley (born 1997), American football player Parnell William Terry, American politician elected to the Maine House of Representatives in 2024 J. Parnell Thomas (1895–1970), American politician and stockbroker Parnell Woods (1912–1977), American Negro league baseball player

Fictional characters Parnell Jacobs, a character associated with the Marvel Comics superhero War Machine

See also Pernell (disambiguation), including a list of people with the given name