Family name Udra (Udra 
) , in all the world, is a rare last name. The surname Udra is habitual in Lithuania, where it is quite a rare surname, Nicaragua, where it is a very rare surname, and Spain. Measured by absolute frequency, it is commonest in Lithuania, India, and Spain. More prevalently, Udra is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Udra | Romania, Spain, Nigeria, India, Lithuania |
| alfredas udra (b. 1993) |
|