Family name Alexu (Alexu 
) , across the world, is a rare cognomen. The surname Alexu is characteristic of Romania, where it is a rare surname, Spain, where it is an extremely rare surname, and the United Kingdom. Also, Alexu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alexu | Romania, Spain, United States, India, United Kingdom |