Surname Loseng (Loseng 
) , around the world, is a very rare cognomen. The cognomen Loseng is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia. Likewise, Loseng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Loseng | Philippines, Malaysia, India, United States, Thailand |