Irina is the Russian and Eastern European form of Irene, from the Greek eirene, which means "peace". It is a classic in Russia, Romania and Bulgaria and belongs to several saints of the Orthodox church. In the United States Irina is used mainly in immigrant families; it stood at number 3549 in 2000, rose to number 1562 in 2024 and ranks number 1636 in 2025 with 127 girls.