 Club Atlético San Telmo |
| Address: | Perú 1360, Buenos Aires |
| Telephone: | 4307-3226 |
| Founded: | 5-Mar-1904 |
| President: | Fernando LEIRÓ |
| Official website: | www.soydetelmo.com.ar |
| Name: | Dr. Osvaldo Baletto |
| Capacity: | 2,500 |
| Primera Nacional 2026 | |
|
| 08-Sep-2025 | Nacional B (30) | Almirante Brown | 1-0 | San Telmo |
| 14-Sep-2025 | Nacional B (31) | San Telmo | 3-1 | Central Norte |
| 20-Sep-2025 | Nacional B (32) | Gimnasia (M) | 2-0 | San Telmo |
| 27-Sep-2025 | Nacional B (33) | San Telmo | 3-2 | Gimnasia (J) |
| 05-Oct-2025 | Nacional B (34) | Agropecuario | 2-0 | San Telmo |
| 14-Feb-2026 | Nacional B (1) | San Telmo | 0-2 | Ferro |
| 21-Feb-2026 | Nacional B (2) | Chaco For Ever | 2-2 | San Telmo |
| 01-Mar-2026 | Nacional B (3) | San Telmo | 2-3 | Acassuso |
| 08-Mar-2026 | Nacional B (4) | San Telmo | - | Racing Córdoba |
| 14-Mar-2026 | Nacional B (5) | San Miguel | - | San Telmo |
| 22-Mar-2026 | Nacional B (6) | San Telmo | - | Colón |
| 28-Mar-2026 | Nacional B (7) | San Telmo | - | Quilmes |
| 04-Apr-2026 | Nacional B (8) | Deportivo Morón | - | San Telmo |
| 11-Apr-2026 | Nacional B (9) | San Telmo | - | Godoy Cruz |
| 18-Apr-2026 | Nacional B (10) | Los Andes | - | San Telmo |
| 25-Apr-2026 | Nacional B (11) | San Telmo | - | All Boys |
