Esham Attica Smith is an American rapper from Detroit, Michigan known for his hallucinogenic style of hip hop which he refers to as "acid rap", which fuses rock-based beats and lyrics involving subjects such as death, drug use, evil, paranoia and sex.

Esham and his brother James Smith ran the biggest selling independent hip hop label in Detroit, Michigan throughout the 1990s. Their influence spawned an entire sub-genre within hip hop that eventually fueled the careers of Eminem, Tech N9ne, ICP and many more.