Andrei is the Romanian and Russian form of Andrew, from the Greek Andreas, which means "manly" or "brave". Saint Andrew is the patron of Russia, Romania and Scotland, and in the 20th century the name belonged to the physicist and dissident Andrei Sakharov and the filmmaker Andrei Tarkovsky. In the United States Andrei is used by families of Romanian, Russian and Filipino heritage: it stood at number 1875 in 2000, peaked at number 1361 in 2006 and ranks number 2517 in 2025.