Cognomen Wasing (Wasing 
, วสิงห์ 
) , throughout the world, is a rare family name. The last name Wasing is habitual in Sweden, where it is a rare surname, Greece, and Philippines, where it is a very rare surname. Measured by absolute frequency, the name is most common in Philippines, Indonesia, and Sweden. Also, Wasing is the forename as well as the last name.