Family name Brencius (Brencius 
) , all over the world, is a very rare last name. The family name Brencius is characteristic of Lithuania, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Brencius is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Brencius | India, United States, Lithuania |
| vytautas brencius Lithuanian poet, LT (b. 1945) |
|