Lorica (), a Latin word literally meaning "body armour", may refer to:

Ancient Roman military clothing

Lorica hamata, a hauberk of mail Lorica manica, a type of iron or bronze arm guard Lorica musculata, the Latin name for a muscle cuirass Lorica plumata, a shirt of ribbed scales resembling feathers Lorica segmentata, a cuirass of metal plates Lorica squamata, a shirt of metal scales

Biology Lorica (biology), a protective outer covering secreted by loriciferans and some protozoans Lorica (chiton), a genus of chiton Ranoidea lorica, a species of frog

Locations Loriga, a freguesia and town in Seia, Portugal, originally named Lorica by the ancient Romans Santa Cruz de Lorica, a municipality and town in the Córdoba Department, Colombia

Other uses Lorica (prayer), a protective prayer in the Irish Christian monasticism Leiden Riddle, a riddle by Aldhelm