Surname លីត្រ (Litre 
, លីត្រ 
) , around the globe, is a rare cognomen. The surname លីត្រ is characteristic of Argentina, where it is a rare surname, France, and Croatia. Measured by absolute frequency, it most frequently occurs in Argentina, France, and Myanmar. Very seldom, លីត្រ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Litre | Argentina, Myanmar, South Africa, France, Australia |
| លីត្រ | Cambodia |