C5a or C-5A may refer to: * C5a receptor, a receptor for complement component 5a *

Complement component 5a C5a is a protein fragment released from cleavage of complement component C5 by protease C5-convertase into C5a and C5b fragments. C5b is important in late events of the complement cascade, an orderly series of reactions which coordinates severa ...

, a human protein fragment, a chemotactic factor * C5a peptidase, an enzyme * the "A" version of the

Lockheed C-5 Galaxy The Lockheed C-5 Galaxy is a large military transport aircraft designed and built by Lockheed Corporation, Lockheed, and now maintained and upgraded by its successor, Lockheed Martin. It provides the United States Air Force (USAF) with a heavy ...

, a large military transport aircraft

See also