Vassilis

Vassilis is a masculine given name of Greek origin. It derives from the Greek names Vasilis or Vasilios, which themselves come from Basilios, ultimately from βασιλεύς basileús meaning "king" or "royal." The name is common in Greece and Cyprus and is often used as a diminutive or affectionate form of Vasilios. In English, it is commonly transliterated as Vasilis or Vassilis, with variants including Vasilios and Basil.

Notable people named Vassilis include Vassilis Spanoulis, a Greek professional basketball player renowned for his performances in the EuroLeague and the Greek league; Vassilis Tsitsanis, a leading composer and musician who helped shape modern Greek rebetiko and laiko; and Vassilis Logothetidis, a prominent Greek actor of the mid-20th century.

Name day: In the Greek calendar, Saint Basil’s Day on January 1 is traditionally associated with the name, making January 1 a common name day for Vassilis.

Variant spellings and related names: Other forms include Vasilios and Basil, and transliterations such as Vasili or Vasilii in non-Greek languages. The name has equivalents in various languages, reflecting its ancient roots in the name Basil.