Robert Siboldi
| Personal information | |||
|---|---|---|---|
| Full name | Robert Dante Siboldi Badiola | ||
| Date of birth | September 24, 1965 | ||
| Place of birth | Colonia Nicolich, Montevideo, Uruguay | ||
| Height | 1.90 m (6 ft 3 in) | ||
| Position(s) | Goalkeeper | ||
| Team information | |||
Current team  | Mazatlán (head coach) | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) | 
| 1983–1988 | Peñarol | 0 | (0) | 
| 1988–1989 | Gimnasia (LP) | 0 | (0) | 
| 1989–1992 | Atlas | 108 | (0) | 
| 1993–1994 | Cruz Azul | 32 | (0) | 
| 1994–1995 | Puebla | 40 | (0) | 
| 1995–2000 | Tigres UANL | 109 | (0) | 
| 2000–2001 | Argentinos Juniors | 18 | (0) | 
| 2001–2002 | Atlético Junior | 23 | (0) | 
| 2002 | Gavilanes de Nuevo Laredo | 12 | (0) | 
| International career | |||
| 1992–1997 | Uruguay | 34 | (0) | 
| Managerial career | |||
| 2009 | Cruz Azul Hidalgo | ||
| 2009–2010 | Cruz Azul | ||
| 2012 | Dorados de Sinaloa | ||
| 2015 | Santos Laguna (Interim) | ||
| 2017–2018 | Santos Laguna | ||
| 2018–2019 | Veracruz | ||
| 2019–2020 | Cruz Azul | ||
| 2021 | Tijuana | ||
| 2022 | Al-Ahli | ||
| 2023–2024 | Tigres UANL | ||
| 2025– | Mazatlán | ||
| *Club domestic league appearances and goals | |||
Robert Dante Siboldi Badiola (born 24 September 1965) is a Uruguayan professional manager and former footballer. He is the current head coach of Liga MX club Mazatlán.
A talented goalkeeper, Siboldi played most of his club career in Mexico and for the Uruguay national team between 1992-1997.
As a manager, Siboldi has been Liga MX champion twice, with Santos Laguna and Tigres UANL, respectively, in only three playoffs disputed. Both of his Liga MX championships were as interim coach.