| Born | 19 August 1954 Rosario, Santa Fe, Argentina |
|---|---|
| Formula One World Championship career | |
| Nationality |  Argentine |
| Active years | 1988 - 1989 |
| Teams | EuroBrun |
| Entries | 21 (8 starts) |
| Championships | 0 |
| Wins | 0 |
| Podiums | 0 |
| Career points | 0 |
| Pole positions | 0 |
| Fastest laps | 0 |
| First entry | 1988 Brazilian Grand Prix |
| Last entry | 1989 Australian Grand Prix |
Oscar Rubén Larrauri (born 19 August 1954) is a racing driver from Argentina. He participated in 21 Formula One Grands Prix, all with the EuroBrun team, debuting at the 1988 Brazilian Grand Prix. He scored no championship points, only qualifying 8 times.
He was for many years part of Brun Motorsport in sports car racing, and involved in the World Sportscar Championship, IMSA GT Championship, Deutsche Rennsport Meisterschaft, and All Japan Sports Prototype Championship during his career.