Iosif is a variant of the Biblical name Joseph found among the Romanians, Russians, Belarusians, Ukrainians, Georgians, and Armenians.

Notable people with the name include:

Iosif Amusin, Soviet historian

Iosif Anisim, Romanian sprint canoer Iosif Ardeleanu, Romanian communist activist and bureaucrat

Iosif Blaga, Romanian literary theorist and politician

Iosif Bobulescu, Romanian bishop Iosif Capotă, Romanian anti-communist resistance fighter

Iosif Vissarionovich Dzhugashvili, aka Joseph Stalin (1878–1953), Soviet dictator of the USSR Iosif Iacobici, Romanian general Iosif Iser, Romanian painter and graphic artist

Iosif Mendelssohn, Romanian chess master

Iosif Pogrebyssky, Ukrainian chess master Iosif Rotariu, Romanian footballer Iosif Shklovsky, Soviet astronomer and astrophysicist

Iosif Szakács (1934–2026), Romanian footballer Iosif Vigu, Romanian footballer and manager Iosif Vitebskiy, Soviet Ukrainian Olympic medalist and world champion fencer and fencing coach Iosif Vulcan, Austro-Hungarian Romanian magazine editor and cultural figure Dan Iosif, Romanian politician Ștefan Octavian Iosif, Romanian poet

See also Iosif, a village in Liebling Commune, Timiș County, Romania

Josif Yosyp