Teulada () is a comune (municipality) in the Province of Sulcis Iglesiente in the Italian region Sardinia, located about southwest of Cagliari. It has a population of 3,188.
The locality of Sant'Isidoro di Teulada is one of the possible sites of the ancient Roman city of Bithia (also called Biotha and Biora).
In November 1940, during World War II, HMS Newcastle and three other British cruisers engaged and exchanged fire with a number of ships of the Italian navy, in a naval battle now known as the Battle of Cape Spartivento.
As of 2025, Teulada has a population of 3,188, of whom 51.5% are male and 48.5% are female. Minors make up 8.8% of the population, and seniors make up 34.2%, compared to the Italian average of 14.9% and 24.7% respectively.