Special group

Special group may refer to:

Group of people

 * Special Group (India), a secretive special forces unit of Indian intelligence.
 * Special Groups (Iraq), insurgent groups operating within Iraq.
 * Special Groups (Portugal), small military units, set up by the Portuguese Armed Forces in Angola and in Mozambique.
 * NSC 5412/2 Special Group, a subcommittee of the United States National Security Council responsible for coordinating government covert operations.
 * Special forces, specialist military units.

Mathematics

 * Special group (algebraic group theory) is a linear algebraic group such that every principal G-bundle is locally trivial
 * Special group (finite group theory) is a type of finite groups of prime power order
 * Special Lie groups are Lie groups of matrices with determinant 1:
 * Special linear group
 * Special orthogonal group
 * Special unitary group
 * Special affine group