Discoid may refer to:
Disk (mathematics), the region in a plane enclosed by a circle
Medicine Furosemide, a medication sold under the trade name Discoid Discoid meniscus, a human anatomical variant Discoid lupus erythematosus, a chronic skin condition in humans Canine discoid lupus erythematosus, the equivalent condition in dogs Nummular dermatitis, also known as discoid eczema
Biology Discoid head, a type of floret arrangement in Asteraceae flower heads Discoidal cleavage, a type of partial cleavage in embryos Discoidin domain, a protein domain of many blood coagulation factors Blaberus discoidalis, the discoid cockroach Dictyostelium discoideum, a slime mold
Other Discoidal stele, a funerary stele type found in Basque country
See also Disc (disambiguation)