Tortoise (disambiguation)

A tortoise is a land-dwelling reptile, protected by a shell, of the order Testudines.

Tortoise may also refer to:

Arts, entertainment, and media

 * Chelys, ancient Greek lyre meaning "Tortoise" or "Turtle"
 * Tortoise (band), a US post-rock band formed in 1990
 * Tortoise (album), their debut 1994 release
 * Tortoise Media, a British news media platform
 * Tortoises, a 1921 short volume of D. H. Lawrence poetry, all later collected in Birds, Beasts and Flowers (1923)
 * Tortoise Matsumoto (born 1966), lead singer of a Japanese rock band Ulfuls

Geometry

 * Tortoise coordinate, the foundation of the Eddington–Finkelstein coordinates

Warfare

 * Tortoise formation, a defensive formation employed by Ancient Rome
 * Tortoise heavy assault tank, a British heavy assault gun