Irineu

Irineu is the Portuguese version of the male given name Irenaeus.

Notable people with the name include:


 * Irineu Esteve Altimiras (born 1996), Andorran cross-country skier
 * Irineu Calixto Couto (born 1983), Brazilian footballer
 * Irineu Gassen (born 1942), Brazilian bishop
 * Irineu Evangelista de Sousa (1813 – 1889), Brazilian businessman and politician
 * Victor Irineu de Souza (born 1989), Brazilian footballer
 * Irineu Sílvio Wilges (1936 – 2022), Brazilian bishop