GEMM may refer to:
- General matrix multiply <code>gemm</code>, one of the Basic Linear Algebra Subprograms
- Genetically engineered mouse model
- Gilt-edged market maker
- Global Electronic Music Marketplace, a former online music market
- CFU-GEMM, granulocyte-erythrocyte-monocyte-megakaryocyte colony forming unit
See also
- Gem (disambiguation)