Sarah Siddons as the Tragic Muse, or Mrs. Siddons as the Tragic Muse, is a 1783–1784 painting by English painter Sir Joshua Reynolds.

The 1784 version is in the Huntington Library art museum,[1] while a 1789 reproduction from Reynolds's studio is in the Dulwich Picture Gallery.

[2] The painting depicts the actress Sarah Siddons as Melpomene, the muse of tragedy.

Siddons wears a diadem and is dressed in an 18th-century costume adorned with pearls.

She is seated on a large throne while behind her, figures personifying Pity and Terror stand in the shadows.