Cognomen Luq (Luq 
, Люк 
, リュック 
) , throughout the world, is a rare family name. The cognomen Luq is characteristic of Malaysia, where it is a very rare surname, Indonesia, and Ukraine. Not in comparison with a country's population, it is the most numerous in Indonesia, Japan, and Russia. Likewise, Luq is the forename as well as the last name.