Cognomen Квант (Quant 
, Kuant 
, Kvant 
) , all around the world, is quite a rare surname. The last name Квант is habitual in Latin America and the Caribbean, particularly Aruba, where it is a common surname, Nicaragua, where it is quite a common surname, and Bahamas. Not in comparison with a country's population, this name is the most popular in Nicaragua, the United States, and El Salvador. Very seldom, Квант is the forename as well as the last name.