Testudo

Testudo may refer to:

• Testudo (genus), a genus of tortoises
• The Latin variant of the Greek chelys harp made from a tortoise shell
• The testudo formation, a Roman military tactic
• An armored siege engine of antiquity, with metal plating on the top to protect from missiles fired from above
• The name of the official mascot of the University of Maryland, College Park, a diamondback terrapin
• Testudo, an obsolete constellation now in the constellation of Pisces
• Testudo, an alternative name of the constellation Lyra