Family name Константинс (Konstantins 
, Константинс 
) , worldwide, is a very rare last name. The family name Константинс is habitual in Latvia, where it is a rare surname, Lithuania, and Hungary, where it is a very rare surname. Predominantly, Константинс is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Konstantins | United Kingdom, Ireland, Latvia, Afghanistan, Lithuania |
| Константинс | Russia |
C-Tin, Constantin, Constantine, Constantí, Konstantin, Konstantinas, Konstantín, Konstantīns, Kostyantyn, Канстанцін, Константи, Константин, Костен, Костя, Костянтин, קונסטנטין, قسطنطين, كونستانتين, and კონსტანტინე