Hagen \ha-gen\ as a boy's name is of Irish and Gaelic origin, and the meaning of Hagen is "youthful one". Also a German variant of Hakon.
Hagen has 2 variant forms: Hagan and Haggan.
For more information, see also the related name Haven.
Baby names that sound like Hagen are Hakan, Hacon, Haaken and Hogan.