Umbriel

Umbriel may refer to:
 * Umbriel (moon), a moon of Uranus
 * Mount Umbriel, a mountain on Alexander Island, Antarctica
 * Umbriel (Futurama), a character in "The Deep South" episode of Futurama
 * Umbriel, a fictional sprite in The Rape of the Lock by Alexander Pope
 * Umbriel, a fictional location in The Infernal City by Greg Keyes