Family name Sijun (Sijun 
, 斯俊 , 斯军 ) , in the world, is a rare last name. The surname Sijun is habitual in China, where it is a very rare surname, Malaysia, and Indonesia. More frequently, Sijun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sijun | China, Indonesia, Taiwan, United States, India |
| 思骏, 斯俊, 斯军 | China |
Сижун, Сийун, Сиюн, Сыцзюнь, Сіюн, シジュン, 丝俊, 丝军, 丝君, 丝琼, 司俊, 司军, 司君, 司均, 司珺, 司琼, 司皲, 司筠, 司钧, 嗣俊, 嗣军, 嗣君, 嗣均, 嗣珺, 嗣琼, 嗣竣, 嗣筠, 嗣郡, 嗣钧, 嗣骏, 四俊, 四军, 四君, 四均, 四琼, 四钧, 四骏, 寺俊, 寺军, 寺君, 巳俊, 巳君, 巳均, 巳珺, 巳琼, 巳钧, 巳骏, 思俊, 思军, 思君, 思均, 思峻, 思浚, 思珺, 思琼, 思竣, 思筠, 思郡, 思钧, 撕军, 斯君, 斯均, 斯峻, 斯浚, 斯濬, 斯珺, 斯琼, 斯竣, 斯筠, 斯郡, 斯钧, 斯骏, 死君, 汜俊, 汜君, 汜珺, 泗俊, 泗军, 泗君, 泗均, 泗琼, 澌君, 祀军, 私军, 私琼, 肆军, 肆菌, 西俊, 西军, 西君, 西均, 西浚, 西珺, 西琼, 西筠, 西钧, 西骏, 锡俊, 锡军, 锡君, 锡均, 锡峻, 锡珺, 锡琼, 锡竣, 锡筠, 锡钧, 锡骏, 锶俊, 锶军, 锶琼, 饲君, 驷俊, 驷军, 驷君, 驷珺, 驷琼, 驷骏, and 시준