Last name Sandagdorj (Sandagdorj 
) , throughout the world, is a rare cognomen. The cognomen Sandagdorj is characteristic of Mongolia, where it is quite a common surname, Spain, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Sandagdorj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sandagdorj | Canada, China, Spain, Mongolia, United States |
| luvsandorjiin sandagdorj Mongolian football player and manager, MN (b. 1934) |
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| erdenebat sandagdorj Mongolian football manager, MN (b. 1966) |
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