Family name Констант (Constant 
, Constante 
, Konstant 
) , all over the world, is a common surname. The cognomen Констант is habitual in Guadeloupe, where it is quite a common surname, Antigua and Barbuda, and Seychelles (explore the name in all countries). In absolute terms, it is the most numerous in France, Brazil, and the United States. Likewise, Констант is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Constant | Brazil, United States, Democratic Republic of the Congo, Ivory Coast, France |
| Constante | Brazil, Mexico, United States, Philippines, France |
| Konstant | United Kingdom, Greece, Canada, United States, Argentina |
| Констант | Kazakhstan, Russia |