Globally, Vongsaly-Udom (Vongsaly-Udom 
) is an extremely rare unknown gender forename. Much more frequently, Vongsaly-Udom is the last name as well as the forename. Parts of the name also exists independently as a last name Vongsaly, and a first name Udom.
| VARIANT | COUNTRY |
|---|---|
| Vongsaly-Udom | United States |