Gemma or GEMMA may refer to:

People and fictional characters

* Gemma (given name), including a list of people and fictional characters with the name * Gemma (surname), including a list of people with the name

Science and technology

Biology

* Gemma (botany), an asexual reproductive structure in plants and fungi * Gemma, a monotypic genus of the

Veneridae The Veneridae or venerids, common name: Venus (mythology), Venus clams, are a very large family of minute to large, saltwater clams, marine bivalve molluscs. Over 500 living species of venerid bivalves are known, most of which are edible, and m ...

family of saltwater clams ** '' Gemma gemma'', the type species * Gemma, a bud-like appendage in ants of the '' Diacamma'' genus

Other sciences and technology

* Walter Gemma, a radial aero engine manufactured by Walter Aircraft Engines in the early 1930 * Gas phase electrophoretic molecular mobility analysis (GEMMA), a chemical analysis technique * Gemma (language model), family of models developed by Google * Alpha Coronae Borealis or Gemma, a binary star * Gemma, an

Adafruit Industries Adafruit Industries is an open-source hardware company based in New York City, New York, United States. It was founded by Limor Fried in 2005. The company designs, manufactures and sells Electronic Products, electronics products, electronics comp ...

Arduino-compatible microcontroller

Ships

* Italian submarine ''Gemma'' * MV ''Gemma'', a Dutch coastal tanker lost in 1951 * SS ''Gemma'', a German cargo ship in service during 1928

Other uses