Titania is:

• The queen of the fairies in medieval folklore, and a character from William Shakespeare's play A Midsummer Night's Dream. She is the wife of Oberon.
• The largest moon of Uranus, see Titania (moon).
• 593 Titania is an asteroid.
• The common name of titanium dioxide.
• The name of a titanium mine in Sokndal in the south-western part of Norway.
• The name of a Marvel Comics supervillainess.
• The name of a planet in the Lylat System in the Star Fox series of video games. See Titania (Star Fox) .