"David et Jonathas" is a French opera composed by Marc-Antoine Charpentier in 1688. The opera is based on the biblical story of David and Jonathan, exploring themes of friendship, loyalty, and sacrifice. It is notable for its rich musical textures and dramatic storytelling. The opera features a blend of recitative and arias, showcasing the emotional depth of the characters. It was originally written for a performance at the Saint-Cyr school, emphasizing the moral lessons of the story. Today, "David et Jonathas" is recognized as an important work in the Baroque opera repertoire.