Family name Когарко (Когарко 
, Kogarko 
) , throughout the world, is a very rare last name. The cognomen Когарко is habitual in Lithuania, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Когарко | Russia, Ukraine |
| Kogarko | Lithuania, United States |
|
когарко, лия николаевна Russian mineralogist, RU (b. 1936) |
|
| станислав михайлович когарко RU (b. 1906) |
|