Last name クオ (クオ 
, Quow 
) , around the globe, is a rare family name. The family name クオ is habitual in Saint Vincent and the Grenadines, where it is quite a common surname, Trinidad and Tobago, where it is quite a rare surname, and New Zealand, where it is a very rare surname. Measured by absolute frequency, it is commonest in the United States, Saint Vincent and the Grenadines, and Trinidad and Tobago. Much less frequently, クオ is the forename as well as the last name.