The Delta may refer to:
The Niger Delta, an oil-rich region of Nigeria
The Arkansas Delta, one of the six natural regions of the state of Arkansas
The Mississippi Delta, the distinctive northwest section of the U.S. state of Mississippi that lies between the Mississippi and Yazoo rivers
The Nile Delta, where the Nile empties into the Mediterranean Sea
The Sacramento River Delta
The Delta (film), 1996
The Delta (novel), a 1987 novel by Colin Wilson