Santanyí is a municipality on Majorca, in the Balearic Islands of Spain.
This municipality in the South of Majorca is home to the towns of Santanyí, Calonge, s’Alqueria Blanca and es Llombards, as well as the coastal districts of Cala Esmeralda, Cala d’Or, marina de Cala d’Or, Portopetro, Cap d’es Moro, Cala Figuera, Cala Santanyí, Cala Llombards and Cala de s’Almunia.
The municipality encompasses a variety of beaches popular for their scenic beauty. The coast covered by the municipality extends around 35 kilometers along the South East coast of Majorca. It also holds 172 archaeological sites, evidence of the existence of a productive agriculture and farming tradition since the pretalayotic and talayotic periods.

Santanyi is also home to a protected natural area, the Mondragó Natural Parc.