| Gender | Male |
|---|---|
| Language | Greek |
| Origin | |
| Meaning | Eternal life |
| Other names | |
| Alternative spelling | Thanassis |
| Variant form | Athanasios |
Thanasis (Θανάσης) is a Greek given name, short for Athanasios (Αθανάσιος), which can mean "eternal life" or "immortal".
Notable people with the name Thanasis or Thanassis include: