Essentuki or Yessentuki (Russian: Ессентуки) is a city in Stavropol Krai, Russia at the base of the Caucasus Mountains. It was founded in 1798 and became a city in 1917.

The city is famous of its mineral springs and health resorts and sanatoriums. The Essentuki resort is the largest balneologic resorts in Russia, with over 20 springs.