Ioana or Oana is a female given name of Romanian origin. It is the equivalent of the English name Joan, and the male version John, all of which derive from the Hebrew name Yohanan. A common diminutive is Ionela.

People with this name include:

Ioana Ioana Maria Aluaș (born 1975), Romanian Olympic judoka Ioana Badea (born 1964), Romanian rower Ioana Bortan (born 1989), Romanian footballer Ioana Bulcă (1936–2025), Romanian actress Ioana Ciolacu (born 1982), Romanian fashion designer Ioana Crăciunescu (born 1950), Romanian actress and poet Ioana Diaconescu (born 1979), Romanian freestyle swimmer Ioana Flora (born 1975), Romanian actress Ioana Gașpar (born 1983), Romanian tennis player Ioana Mihalache (born 1990), Romanian actress and beauty pageant titleholder Ioana Raluca Olaru (born 1989), Romanian tennis player Ioana Olteanu (born 1966), Romanian rower Ioana Papuc (born 1984), Romanian rower Ioana Pârvulescu (born 1960), Romanian writer Ioana Petcu-Colan (born 1978), Irish musician Ioana Petrescu (born 1980), Romanian economist Ioana Rudăreasa, Wallachian Romani woman Ioana Stănciulescu (born 2004), Romanian artistic gymnast Ioana Strungaru (; born 1989), Romanian rower Ioana Tudoran (born 1948), Romanian rower

Oana Oana Andrei, Romanian beauty pageant titleholder Oana Ban (born 1986), Romanian gymnast Oana Chirilă (born 1981), Romanian handball player Oana Corina Constantin (born 1991), Romanian aerobic gymnast Oana Gregory (born 1996), Romanian actress and model Oana Manea (born 1985), Romanian female handballer Oana Niculescu-Mizil (born 1975), Romanian politician Oana Pantelimon (born 1972), Romanian high jumper Oana Paveluc (born 1991), Romanian beauty pageant contestant Oana Pellea (born 1962), Romanian actress Oana Petrovschi (born 1986), Romanian gymnast Oana Țoiu (born 1985), Romanian politician

See also Ioan Ion Ionel