In Greek mythology, Telesto (alternate: Telestho, both meaning "success") was a daughter of Oceanus and Tethys.

Telesto is a moon of Saturn, discovered by Smith, Reitsema, Larson and Fountain in 1980 from ground-based observations. It is co-orbital with Tethys, residing in Tethys' leading Lagrangian point (L4). The moon Calypso resides in Tethys' trailing Lagrangian point.

  • Orbital radius: 294,660 km
  • Diameter: 29 km (34 x 28 x 36)
  • Mass: Unknown
  • Orbital inclination: 0°
  • Orbital period: 1.8878 days