Dominus or domini may refer to:

Dominus (title), a title of sovereignty, clergy and other uses

Art, entertainment, and media Dominus (band), a Danish death metal band Dominus (DC Comics), an alien character in DC Comics Dominus (Marvel Comics), an alien computer in Marvel Comics Dominus (video game), a 1994 DOS computer game

People Amy Domini, American investment adviser and author Sergio Domini (born 1961), Italian professional football player Tommaso Domini (born 1989), Italian football midfielder Vincenzo de Domini (1816–1903), Venetian patriot and officer in the Austrian Navy Domini Blythe (1947–2010), British-born Canadian actress Domini Crosfield (1884–1963), British politician and tennis player

Other uses Dominus Estate, a Napa Valley winery Dominus (gastropod), a genus of molluscs in the family Strombidae A THX certification level

See also Anno Domini (disambiguation) AD (disambiguation) Domino (disambiguation)