| Personal information | |||
|---|---|---|---|
| Full name | Gustavo Lionel Siviero[1] | ||
| Date of birth | 13 September 1969[1] | ||
| Place of birth | Laguna Paiva, Argentina[1] | ||
| Height | 1.82 m (6 ft 0 in)[1] | ||
| Position(s) | Centre-back | ||
| Team information | |||
Current team | Mallorca B (manager) | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 1988–1991 | Colón Santa Fe | 106 | (4) |
| 1991–1992 | América Cali | ||
| 1992–1993 | San Lorenzo | 27 | (1) |
| 1994–1996 | Newell's Old Boys | 82 | (3) |
| 1996–1998 | Lanús | 72 | (8) |
| 1998–2002 | Mallorca | 92 | (1) |
| 2002–2004 | Albacete | 43 | (0) |
| 2005 | Colón Santa Fe | 15 | (0) |
| Total | 437 | (17) | |
| Managerial career | |||
| 2010–2012 | Atlético Baleares | ||
| 2012–2013 | Murcia | ||
| 2013 | Salamanca | ||
| 2015 | Atlético Baleares | ||
| 2016–2017 | Lleida Esportiu | ||
| 2017 | Hércules | ||
| 2019–2020 | Enosis Neon | ||
| 2020–2023 | Intercity | ||
| 2023– | Mallorca B | ||
| *Club domestic league appearances and goals | |||
Gustavo Lionel Siviero (born 13 September 1969) is an Argentine former professional footballer who played as a central defender, currently the manager of RCD Mallorca B.
He made 98 La Liga appearances, mainly for Mallorca but also Albacete, and began coaching in 2010, mainly in the Spanish lower levels.