Langan

Langan is a surname of Irish origin. It is an Anglicized form of Gaelic Ó Longáin, meaning "descendant of Longán." The name originated in Gaelic Ireland and was borne by families in various regions. Through later migrations, the surname spread to countries with Irish diasporas, and it is now found in Ireland, the United Kingdom, the United States, Canada, Australia, and elsewhere.

Notable people with the surname include Christopher Langan (born 1952), an American autodidact and public figure known for discussions surrounding intelligence. John Langan (born 1969), an American author of horror fiction, noted for works such as The Fisherman. Beyond these figures, individuals named Langan have contributed in fields ranging from academia and the arts to business and sports, reflecting the name’s long-standing presence in English-speaking countries.