Cognomen Lalac (Lalac 
) , across the world, is a very rare last name. The last name Lalac is habitual in Greece, where it is a rare surname, Philippines, where it is a very rare surname, and France, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Philippines, India, and Greece. More prevalently, Lalac is the forename as well as the last name.