Id

ID, Id, id or I.D. may refer to:

Idaho () is a state in the northwestern region of the United States. It borders the state of Montana to the east and northeast, Wyoming to the east, Nevada and Utah to the south, and Washington and Oregon to the west.

Idi Amin Dada (; c. 1923–28 – 16 August 2003) was a Ugandan political leader and military officer who served as the President of Uganda from 1971 to 1979.

Idrissa Akuna "Idris" Elba OBE (, born 6 September 1972) is an English actor, musician and DJ.

Idiopathic pulmonary fibrosis (IPF) is a chronic irreversible and ultimately fatal disease characterized by a progressive decline in lung function.

Idolatry literally means the worship of an "idol", also known as a cult image, in the form of a physical image, such as a statue or icon.

Idina Kim Menzel (; born Idina Kim Mentzel; May 30, 1971) is an American actress, singer, and songwriter.

id Software LLC (; see Company name) is an American video game developer headquartered in Dallas, Texas.