Last name Yandong (Yandong 
, 岩东 , 延冬 ) , across the world, is quite a rare family name. The surname Yandong is habitual in Philippines, where it is a rare surname, Malaysia, and China, where it is a very rare surname. Predominantly, Yandong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yandong | China, Malaysia, Philippines, Taiwan, United States |
| 延冬, 岩东 | China |
| Яндонг | Russia |
Яньдун, 严东, 严冬, 严动, 严栋, 严董, 俨东, 俨冬, 俨栋, 堰东, 堰冬, 妍东, 妍冬, 嫣冬, 宴东, 宴冬, 宴栋, 岩冬, 岩岽, 岩栋, 岩洞, 延东, 延动, 延懂, 延東, 延栋, 延洞, 延董, 弇冬, 彥东, 彥東, 彥栋, 彦东, 彦冬, 彦動, 彦東, 彦栋, 彦洞, 彦董, 晏东, 晏冬, 晏栋, 曕东, 殷东, 殷冬, 殷栋, 沿东, 沿冬, 沿栋, 滟东, 演东, 演冬, 炎东, 炎冬, 炎東, 炎栋, 烟东, 烟冬, 焰东, 焰冬, 焰栋, 焱东, 焱冬, 焱東, 焱栋, 熖东, 燕东, 燕冬, 燕动, 燕岽, 燕懂, 燕東, 燕栋, 琰东, 琰冬, 琰岽, 琰栋, 盐东, 盐氡, 研东, 研冬, 研栋, 砚东, 砚冬, 砚栋, 筵栋, 艳东, 艳冬, 艳动, 艳咚, 艳東, 艳栋, 艳董, 艶東, 芫冬, 衍东, 衍冬, 衍动, 衍栋, 衍董, 言东, 言冬, 言动, 言栋, 言洞, 谚东, 谚栋, 闫东, 闫冬, 雁东, 雁冬, 雁栋, 雁棟, 雁董, 雁鸫, 顏冬, 颜东, 颜冬, 颜栋, 颜洞, 验东, 龑东, and 龑栋