| Steponavičius | |
|---|---|
| Lithuanian surname | |
| m.: | Steponavičius |
| f.: (unmarried) | Steponavičiūtė |
| f.: (married) | Steponavičienė |
Steponavičius is a Lithuanian language family name. It corresponds to East-Slavic Stepanovich and South Slavic Stepanović. The surname is derived from the name Stepan.
The surname may refer to: