Throughout the world, Константинас (Константинас 
) is a very rare masculine first name. The forename Константинас is habitual in Eastern Europe, particularly Russia, where it is a very rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Константинас | Kazakhstan, Russia, Ukraine |
|
сирвидас, константинас Lithuanian lexicographer, LT (b. 1579) |
|
| константинас богданас Lithuanian sculptor and politician (1926-2011), LT (b. 1926) |
|
|
|
янкаускас, константинас стасисович RU (b. 1986) |
|
Думбляускас, Дубаускас, and Буткевичюс