 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 |
| Nacional B 2021 | |
|
| 28-Aug-2021 | Nacional B (23) | San Telmo | 2-1 | San Martín (SJ) |
| 04-Sep-2021 | Nacional B (24) | Villa Dálmine | 3-3 | San Telmo |
| 13-Sep-2021 | Nacional B (25) | All Boys | 3-0 | San Telmo |
| 19-Sep-2021 | Nacional B (26) | San Telmo | 0-0 | Defensores |
| 25-Sep-2021 | Nacional B (27) | Santamarina | 0-2 | San Telmo |
| 01-Oct-2021 | Nacional B (28) | San Telmo | 2-1 | Almagro |
| 08-Oct-2021 | Nacional B (29) | Atlético Guemes | 1-1 | San Telmo |
| 13-Oct-2021 | Copa Argentina (qf) | Argentinos Juniors | 2-1 | San Telmo |
| 18-Oct-2021 | Nacional B (30) | San Telmo | - | Deportivo Morón |
| 23-Oct-2021 | Nacional B (31) | Ferro | - | San Telmo |
| 30-Oct-2021 | Nacional B (32) | San Telmo | - | Tristan Suárez |
| 06-Nov-2021 | Nacional B (33) | Gimnasia (J) | - | San Telmo |
| 13-Nov-2021 | Nacional B (34) | San Telmo | - | Instituto |
