Surname Khamsingsavath (Khamsingsavath 
) , worldwide, is a very rare last name. The family name Khamsingsavath is characteristic of Laos, where it is a rare surname, New Zealand, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Laos, the United States, and New Zealand. Very seldom, Khamsingsavath is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamsingsavath | Canada, Laos, New Zealand, United States, Kyrgyzstan |