Alophia is a small genus in the Iridaceae family with about 5 species native to the southern United States, Central and South America. Plants have pleated sword shaped leaves and flowers that last only a few hours or for a day. They are related to Cypella, Herbertia, and Tigridia. Some species that were previously included in this genus are now found in Herbertia.
- For the moth genus, see Alophia (moth).
Alophia is a small genus of perennial, herbaceous and bulbous plants in the iris family (Iridaceae). The genus comprise five species that occur from center and southern North America to Brazil and Argentina. The genus is closely related to Herbertia, Cypella and Tigridia, differentiating from them by some characters of the stamen and the gynoecium. The genus name is derived from the Greek words a-, meaning "without", and lophos, meaning "crest".
The list of Alophia species, with their complete name and authority, and their geographic distribution is given below. 
- Alophia drummondii (Graham) R.C.Foster, Contr. Gray Herb. 155: 34 (1945). Southern United States to Mexico, Guyana and Bolivia.
- Alophia intermedia (Ravenna) Goldblatt, Brittonia 27: 384 (1975 publ. 1976). NW Mexico. (Sinaloa).
- Alophia medusa (Baker) Goldblatt, Brittonia 27: 384 (1975 publ. 1976). Brazil (Goiás).
- Alophia silvestris (Loes.) Goldblatt, Brittonia 27: 384 (1975 publ. 1976). Southern Mexico to Costa Rica.
- Alophia veracruzana Goldblatt & T.M.Howard, Ann. Missouri Bot. Gard. 79: 903 (1992). Mexico (Veracruz).
- R. K. Brummitt. 1980. Propose to conserve Alophia over Eustylis. Report of the Committee for Spermatophyta, 22. Taxon, Vol. 29, No. 4 (Aug., 1980), pp. 489-493
- Manning, John; Goldblatt, Peter (2008). The Iris Family: Natural History & Classification. Portland, Oregon: Timber Press. pp. 232–33. ISBN 0-88192-897-6.
- Royal Botanical Gardens, Kew. World Checklist of Monocotyledons: Alophia. Accessed April 16 2009.
- Peter Goldblatt & Thad M. Howard. Notes on Alophia (Iridaceae) and a New Species, A. veracruzana, from Vera Cruz, Mexico. Annals of the Missouri Botanical Garden, Vol. 79, No. 4 (1992), pp. 901-905
- Peter Goldblatt. 1975. Revision of the bulbous Iridaceae of North America. Brittonia 27: 373- 385.