Agg or AGG may refer to:
Aggression is overt, often harmful, social interaction with the intention of inflicting damage or other unpleasantness upon another individual.
Agglutination is a process in linguistic morphology derivation in which complex words are formed by stringing together morphemes without changing them in spelling or phonetics.
Aggressive inline skating is a form of inline skating executed on specially designed inline skates with focus on grinding and spins.
Aggressive mimicry is a form of mimicry in which predators, parasites or parasitoids share similar signals, using a harmless model, allowing them to avoid being correctly identified by their prey or host.
Aggie Bonfire was a long-standing annual tradition at Texas A&M University as part of the college rivalry with the University of Texas at Austin.
The Aggregate Level Simulation Protocol (ALSP) is a protocol and supporting software that enables simulations to interoperate with one another.
In macroeconomics, aggregate demand (AD) or domestic final demand (DFD) is the total demand for final goods and services in an economy at a given time.