San Telmo may refer to:
People
- Erasmus of Formiae (Saint Elmo), the patron saint of sailors
- Peter Gonzalez, also known as Saint Elmo or Saint Telmo
Places
- San Telmo Island, an island of the coast of Antarctica named after the ship
- Isla San Telmo, an island off the coast of Panama
- Palace of San Telmo, a historical edifice in Seville, Spain
- Sant Elm, a town in Andratx, Mallorca known as San Telmo in Castilian
- San Telmo, Baja California, a city in Mexico
- San Telmo, Buenos Aires, a barrio in Argentina
- Club Atlético San Telmo, an association football club in the San Telmo barrio
- Feria de San Telmo, an antique fair in the San Telmo barrio
- Visita de San Telmo, a mission station in Baja California, Mexico
- Marutea Sud, an atoll in the Tuamotu group of French Polynesia, which was named "San Telmo" by Pedro Fernandes de Queirós in 1606
Other
- San Telmo (ship), a ship wrecked off Antarctica
- The Santelmo (St. Elmo's Fire) is a creature of Philippine mythology
See also
- Telmo (disambiguation)
- Saint Elmo (disambiguation) for all places named after the saints
- Elmo (disambiguation)
- St. Elmo's fire (disambiguation)