 Club Atlético San Martin |
| Address: | Av. Pellegrini y Bolivar, San Miguel de Tuc., Tucumán |
| Telephone: | (0381) 424-7817 |
| Founded: | 2-Nov-1909 |
| President: | Oscar Simón Mirkin |
| Official website: | clubatleticosanmartin.com.ar |
| Manager: |  Alejandro ORFILA |
| Name: | La Ciudadela |
| Capacity: | 30,000 |
| Primera Nacional 2026 | |
|
| 17-Jul-2026 | Nacional B (21) | Deportivo Maipú | 0-0 | San Martín (Tuc) |
| 25-Jul-2026 | Nacional B (22) | San Martín (Tuc) | 1-2 | Temperley |
| 01-Aug-2026 | Nacional B (23) | Nueva Chicago | 2-1 | San Martín (Tuc) |
| 09-Aug-2026 | Nacional B (24) | San Martín (Tuc) | 1-1 | San Martín (SJ) |
| 16-Aug-2026 | Nacional B (25) | San Martín (Tuc) | 2-2 | Deportivo Madryn |
| 23-Aug-2026 | Nacional B (26) | Chacarita Juniors | 1-2 | San Martín (Tuc) |
| 30-Aug-2026 | Nacional B (27) | San Martín (Tuc) | 1-1 | Atlético Guemes |
| 05-Sep-2026 | Nacional B (28) | Tristan Suárez | 2-0 | San Martín (Tuc) |
| 13-Sep-2026 | Nacional B (29) | San Martín (Tuc) | - | Agropecuario |
| 19-Sep-2026 | Nacional B (30) | Atlético Rafaela | - | San Martín (Tuc) |
| 27-Sep-2026 | Nacional B (31) | Gimnasia (J) | - | San Martín (Tuc) |
| 03-Oct-2026 | Nacional B (32) | San Martín (Tuc) | - | Gimnasia y Tiro |
| 10-Oct-2026 | Nacional B (33) | Atlanta | - | San Martín (Tuc) |
| 17-Oct-2026 | Nacional B (34) | San Martín (Tuc) | - | FC Midland |
| 24-Oct-2026 | Nacional B (35) | Quilmes | - | San Martín (Tuc) |
| 31-Oct-2026 | Nacional B (36) | San Martín (Tuc) | - | Colegiales |
