Cognomen Hanjun (Hanjun 
, 汉俊 , 한준 ) , globally, is a rare last name. The cognomen Hanjun is habitual in Singapore, where it is a rare surname, China, where it is a very rare surname, and Israel. Measured by absolute frequency, it is commonest in China, Singapore, and Malaysia. More prevalently, Hanjun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hanjun | Japan, China, South Korea, Taiwan, United States |
| 汉俊, 韩军 | China |
| 한준 | South Korea |
Ханйун, Ханюн, 函俊, 函军, 函君, 函均, 函琼, 函钧, 函骏, 含俊, 含军, 含君, 含均, 含峻, 含珺, 含琼, 含郡, 含钧, 含骏, 寒俊, 寒军, 寒君, 寒均, 寒珺, 寒琼, 寒筠, 寒钧, 寒骏, 悍军, 憨俊, 憨军, 憨君, 憾俊, 捍军, 捍君, 撼军, 旱军, 旱君, 旱均, 晗俊, 晗军, 晗君, 晗均, 晗峻, 晗珺, 晗琼, 晗竣, 晗郡, 晗钧, 晗骏, 汉军, 汉君, 汉均, 汉峻, 汉浚, 汉珺, 汉琼, 汉竣, 汉筠, 汉軍, 汉郡, 汉钧, 汉骏, 汗俊, 汗军, 汗君, 汗均, 汗琼, 汗钧, 浛君, 浛郡, 涵俊, 涵军, 涵君, 涵均, 涵浚, 涵珺, 涵琼, 涵竣, 涵筠, 涵郡, 涵钧, 涵骏, 漢君, 漢鈞, 瀚俊, 瀚军, 瀚君, 瀚均, 瀚峻, 瀚珺, 瀚琼, 瀚钧, 瀚駿, 瀚骏, 焊军, 焓俊, 焓君, 焓均, 焓钧, 罕俊, 罕军, 罕君, 罕琼, 翰俊, 翰军, 翰君, 翰峻, 翰珺, 翰琼, 翰筠, 翰钧, 翰骏, 菡俊, 菡军, 菡君, 菡珺, 菡琼, 菡骏, 邗俊, 邯俊, 邯军, 邯琼, 邯钧, 阚君, 韓軍, 韩俊, 韩君, 韩均, 韩珺, 韩琼, 韩郡, 韩钧, and 韩骏