| Sidmar | |
| Full Name: | Sidmar Antônio Martins |
| Birth Date: | 13 June 1962 |
| Birth Place: | Brazil |
| Years1: | 1979–1983 |
| Clubs1: | Guarani |
| Years2: | 1984–1988 |
| Clubs2: | XV Novembro-Piracicaba |
| Years3: | 1988 |
| Clubs3: | Bahia |
| Years4: | 1989–1990 |
| Clubs4: | Portuguesa Desportos |
| Years5: | 1991–1992 |
| Clubs5: | Grêmio |
| Years6: | 1992–1993 |
| Clubs6: | XV Novembro-Piracicaba |
| Years7: | 1993–1994 |
| Clubs7: | Shimizu S-Pulse |
| Caps7: | 47 |
| Goals7: | 0 |
| Years8: | 1994–1995 |
| Clubs8: | XV Novembro-Piracicaba |
| Years9: | 1995 |
| Clubs9: | Shimizu S-Pulse |
| Caps9: | 14 |
| Goals9: | 0 |
| Years10: | 2017 |
| Clubs10: | Fujieda MYFC |
| Caps10: | 0 |
| Goals10: | 0 |
Sidmar Antônio Martins (born 13 June 1962) is a former Brazilian football player who played as a goalkeeper. He is currently goalkeeper coach of Vissel Kobe.
| Club performance | League | Cup | League Cup | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | |
| Japan | League | Emperor's Cup | J.League Cup | Total | |||||||
| 1993 | Shimizu S-Pulse | J1 League | 17 | 0 | 4 | 0 | 6 | 0 | 27 | 0 | |
| 1994 | 30 | 0 | 0 | 0 | 1 | 0 | 31 | 0 | |||
| 1995 | 14 | 0 | 0 | 0 | colspan="2" | - | 14 | 0 | |||
| 2017 | Fujieda MYFC | J3 League | 0 | 0 | colspan="2" | - | colspan="2" | - | 0 | 0 | |
| Total | 61 | 0 | 4 | 0 | 7 | 0 | 72 | 0 | |||