Cognomen Spai (Spai 
, Спаи 
) , around the globe, is a rare family name. The cognomen Spai is habitual in Greece, where it is quite a rare surname, Israel, where it is a rare surname, and Russia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Greece, India, and Russia. Also, Spai is the forename as well as the last name.