What does the name Regan mean? The meaning of the name Regan is Royal, Regal. The origin of the name Regan is Celtic/Gaelic. This is the culture in which the name originated, or in the case of a word, the language.
People who like the name Regan also like: Liam
, Alexander Charlotte
Name Notes: Daughter of Shakespeare's King Lear. Possessed child in the novel and movie "The Exorcist".