Last name Жаргалсайхан (Jargalsaikhan 
, Жаргалсайхан 
) , throughout the world, is quite a common cognomen. The cognomen Жаргалсайхан is habitual in Mongolia, where it is a common surname, Japan, where it is a very rare surname, and Australia. Measured by absolute frequency, it is commonest in Mongolia, Japan, and the United States. Much less frequently, Жаргалсайхан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jargalsaikhan | China, United States, Mongolia, Japan, France |
| Жаргалсайхан | Ukraine, Russia |
| баярын жаргалсайхан Mongolian journalist, MN (b. 1915) |
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| дэмбэрэлийн жаргалсайхан MN (b. 1939) |
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| очирхүү жаргалсайхан Mongolian translator, MN (b. 1963) |
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| бэх-очирын жаргалсайхан Mongolian actor, MN (b. 1964) |
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| чулуунбатын жаргалсайхан MN (b. 1984) |
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