John Whelan may refer to: Seán Ó Faoláin (1900–1991), Irish short story writer, born as John Francis Whelan John Whelan (politician) (born 1961), Irish Labour Party politician John W. Whelan (1845–1906), American lawyer and farmer John "Rocky" Whelan (died 1855), English bushranger and serial killer in Van Diemen's Land, now Tasmania, Australia