Gemma

Gemma or GEMMA may refer to:

People and fictional characters

• Gemma (given name), a list of people and fictional characters with the name
• Alfred A. Gemma (born 1939), American politician
• Giuliano Gemma (1938–2013), Italian actor

Science and technology

Biology

• Gemma (botany), an asexual reproductive structure in plants and fungi
• A monotypic genus of the Veneridae family of saltwater clams
  • Gemma gemma, the type species
• A bud-like appendage in ants of the Diacamma genus

Other uses in science 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, the traditional name for the binary star Alpha Coronae Borealis
• Gemma, an Arduino-compatible microcontroller designed by Limor Fried

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

• Gemma (organisation), an English organization for disabled lesbians