Iohannis

Iohannis is both a surname and a given name. Notable people with the name include:


 * Klaus Iohannis, the fifth president of Romania
 * Iohannis de Lignano, Italian jurist
 * Iohannis de Serravalle, Italian Franciscan and humanist
 * Iohannis Eckii, Latinized name of Johann Maier von Eck