Cognomen 加戈 (Gago 
, 加戈 
) , all over the world, is a common last name. The cognomen 加戈 is habitual in Nicaragua, where it is quite a common surname, Portugal, and Peru, where it is quite a rare surname. In absolute terms, the name is most common in Spain, Argentina, and Peru. Likewise, 加戈 is the forename as well as the last name.