Alceste is an opera by Christoph Willibald Gluck. The libretto was written by Ranieri de Calzabigi.

It was first performed in Vienna in 1767, with a revised version — more familiar today — being premiered in Paris in 1776.

Alceste is part of the standard operatic repertoire. There are a several recordings of it, and it is regularly performed.

Alceste is also the chief character in Molière's Misanthrope.