Hearn \he(a)-rn\ as a boy's name is a variant of Ahearn (Celtic), and the meaning of Hearn is "horse-lord".

The baby name Hearn sounds like Hern and Hearne. Other similar baby names are Kearn, Herin, Heman, Bern, Han, Hari, Hart, Harun, Herv, Harv, Herb, Herne, Heanno, Kearne, Kearny, Kern, Tern and Vern.