The Gulf of Saint Euphemia (Italian: Golfo di Santa Eufemia or Golfo di Sant'Eufemia, Latin: Lametikos Kolpos or Vibonensis Sinus[1]) is a gulf on the west coast of Calabria, southern Italy.

The gulf extends from Campora San Giovanni in the north to Capo Vaticano in the south.

The rivers Savuto, Amato, and Angitola flow into the gulf.

Some of the important towns and cities near the gulf include Lamezia Terme, Vibo Valentia, and Tropea.

The land bordering the gulf is mountainous in the north and south with a plain in the middle.