Last name Koçan (Koçan 
) , around the globe, is quite a common cognomen. The family name Koçan is habitual in Western Asia, particularly Turkey, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koçan | Turkey, United States |
| hüsamettin koçan Turkish painter, TR (b. 1946) |
|
|
| sebla koçan Turkish journalist, TR (b. 1982) |
|
Di, Akin, Ayla, Avni, Banu, Baki, Buse, Kaan, Dudu, Tuba, Naci, Nuri, Elif, Esma, Esin, Esra, Eray, Eren, Erol, Erdi, Enes, Emin, Asli, Emre, Adil, Arzu, Ali, Can, Cem, Nur, Eda, Ece, Efe, Oya, Mert, Mete, Mine, Musa, Sait, Suna, Suat, Sena, Sema, Seda, Sefa, Arif, Arda, Adem, and Ebru