Family name Μήτσιου (Μήτσιου 
) , all over the world, is an extremely rare cognomen. The cognomen Μήτσιου is habitual in Southern Europe, particularly Greece, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Μήτσιου | Greece |
| κατερίνα μήτσιου Greek dancer and choreographer, GR |
|