Ioan is a variation on the name John found in the Romanian language, the Russian language and in the Welsh language ([ˈjo.an]). It is usually masculine. The female equivalent in Romanian is Ioana. In Russia the name Ioann is usually reserved for the clergy (when a person called Ivan becomes a priest or a monk, he becomes known as Ioann).
Ioan Alexandru, poetIoan Andone, footballer and coachIoan Apostol, lugerIoan Baba, poetIoan A. Bassarabescu, writer and politicianIoan Teodor Callimachi, Prince of MoldaviaIoan Cantacuzino, microbiologistIoan Gheorghe Caragea, Prince of WallachiaIoan Mihai Cochinescu, novelistIoan Condruc, footballerIoan P. Culianu, historian and philosopherIoan Dumitrache, World War II generalIoan Fiscuteanu, actorIoan Flueraș, politicianIoan Gherghel, swimmerIoan Iacob Heraclid, Prince of MoldaviaIoan Holender, opera administratorIoan Hora, footballerIoan Hristea, World War II officerIoan Igna, football refereeIoan Lupaş, historian and politicianIoan Lupescu, footballerIoan Manu, politicianIoan Mirea, artistIoan T. Morar, journalistIoan Pălăghiţă, World War II officerIoan Gyuri Pascu, musicianIoan Mircea Paşcu, politicianIoan Popovici-Bănățeanul, writerIoan Potcoavă, Hetman of Ukrainian CossacksIoan Puşcaş, gastroenterologistIoan Mihail Racoviţă, World War II generalIoan Sabău, footballer and coachIoan Slavici, writer and journalistIoan Sterca-Șuluțiu, Austrian nobleIoan Sturdza, Prince of MoldaviaIoan Silviu Suciu, gymnastIoan Talpeş, army general and military historianIoan Tănăsescu, chemistIoan Tănăsescu, surgeonIoan Ţepelea, scientistIoan Vodă cel Cumplit, Prince of MoldaviaIoan Evans, British politicianIoan Grillo, journalistIoan Gruffudd, actorIoan James, mathematicianIoan Wikipedia (Text) CC BY-SA