ODuinn

ODuinn is a name that can refer to multiple uses, most commonly as a variant of an Irish surname and, less commonly, as a brand or fictional name. The unpunctuated form is rare in modern usage compared with variants that retain punctuation, such as O'Duinn or O Duinn, which reflect the Gaelic name Ó Duinn.

In Irish onomastics, Ó Duinn means "descendant of Duinn." The element Duinn is a personal name or designation, the precise origin of which is not widely documented in accessible sources. The surname is of Irish origin and appears in historical and genealogical records, though it remains relatively uncommon in contemporary populations outside of the Irish diaspora.

Notable individuals bearing the exact spelling ODuinn are not widely documented in public or biographical sources. More commonly, people with the surname O'Duinn or similar variants are found in local or family records rather than as public figures. In fiction, media, or branding, ODuinn may be used to evoke Gaelic heritage, but such usages are not tied to a single canonical entity.

Variants and related forms include O'Duinn and O Duinn, as well as related surnames derived from the same Gaelic root. See also: Ó Duinn, Duinn.