Heyl is a surname. Notable people with the surname include:
Allan Heyl, South African bank robber
Brett Heyl (born 1981), American slalom canoer
Charles W. Heyl (1857-1936), American politician
Henry Renno Heyl (1842–1919), American inventor and chemist
Jeremy S. Heyl, Canadian astronomer
Paul R. Heyl (1872–1961), American physicist
Willy Kaiser-Heyl (1876–1953), German film actor



