Ion Vodă or Ioan Vodă (Romanian for "John the Voivode") may refer to several figures in Romanian history.
People Ioan I Joldea, Prince of Moldavia in 1552 Ioan Iacob Heraclid, Prince of Moldavia in 1561–1563 John III the Terrible, Prince of Moldavia in 1572–1574 Ioan Potcoavă, Prince of Moldavia in 1577 Iancu Sasul, Prince of Moldavia in 1579–1582 Ioan Ι Mavrocordat, Prince of Moldavia in 1711 John Mavrocordatos, Prince of Moldavia in 1716–1719 Ioan II Mavrocordat, Prince of Moldavia in 1743–1744 Ioan Teodor Callimachi, Prince of Moldavia in 1758–1761 John Caradja, Prince of Wallachia in 1812–1818 Ioan Sturdza, Prince of Moldavia in 1822–1828
Places a village in Ciutulești, Moldova