Augustas Marčiulionis
| No. 3 – Saint Mary's Gaels | |
|---|---|
| Position | Point guard | 
| League | West Coast Conference | 
| Personal information | |
| Born | 21 March 2002 Vilnius, Lithuania  | 
| Listed height | 1.93 m (6 ft 4 in) | 
| Listed weight | 90.5 kg (200 lb) | 
| Career information | |
| College | Saint Mary's (2021–present) | 
| Playing career | 2018–present | 
| Career history | |
| 2018–2020 | Perlas | 
| 2020–2021 | Rytas Vilnius | 
| Career highlights | |
  | |
Augustas Marčiulionis (born 21 March 2002) is a Lithuanian basketball player for NCAA Division I Saint Mary's College after having played for Rytas Vilnius of the Lithuanian Basketball League (LKL). Standing 1.93 metres (6 ft 4 in), he plays the point guard position.