Cid may refer to:
Cider (/ˈsaɪdər/ SY-dər), known as hard cider in North America, is an alcoholic beverage made from the fermented juice of apples.
Cidra (Spanish pronunciation: [ˈsiðɾa], Cider) is a municipality of Puerto Rico located in the central region of the island, north of Cayey; south of Comerío and Aguas Buenas; east of Aibonito and Barranquitas; and west of Caguas.
The Cidaridae is a family of sea urchins in the order Cidaroida.
CID is an Indian detective television anthology series about India's Crime Investigation Department, created by B. P.
Cider in the United Kingdom has historically been intertwined with local culture since Roman times and remains widely available at pubs, off licenses, and grocery stores.
Cidaria is a genus of moths in the family Geometridae.
Cidofovir (brand name Vistide) is an injectable antiviral medication primarily used as a treatment for cytomegalovirus (CMV) retinitis (an infection of the retina of the eye) in people with AIDS.
CIDER International School is an English medium school in Chittagong, Bangladesh.
The Cider Press Review Book Award is an annual literary prize offered by the Cider Press Review. The prize recognizes outstanding poetry manuscripts.