| Birth Date: | 30 July 1992 |
| Sport: | Athletics |
| Event: | 50km Race Walk |
Artur "Arturas" Mastianica (born 30 July 1992) is a male professional race walker who competes internationally for Lithuania.
In 2016 he broke personal record and was selected to represent Lithuania in 2016 Summer Olympics.[1] In 2021 Mastianica broke Lithuanian national record with 3:48:24.