Collier or colliers may refer to:
Coal industry Collier, coal miner or coal merchant Colliery, coal mining and selling; or a coal mine Collier (ship), a bulk cargo ship which carried coal Charcoal maker, in colonial United States and also in Sussex, England
Places Collier Row, a place in the London Borough of Havering Colliers Wood, an area in the London Borough of Merton Collier County, Florida, a county of Florida's southwest coast Collier, Georgia, an unincorporated community Colliers, West Virginia, a small town in the northern panhandle area of West Virginia Colliers, Newfoundland and Labrador, a town on the Avalon Peninsula Collier Township, Allegheny County, Pennsylvania, a suburb of Pittsburgh Collier Range National Park, Australian park Collier High School (New Jersey), a school in Wickatunk, New Jersey
People Collier (surname) Collier Twentyman Smithers (1867–1943), British portrait artist
Other Collier Baronets, a title in the British honours system Collier Books, a publishing imprint of Macmillan Publishing Company Collier's Encyclopedia, a U.S. encyclopedia Collier Motors, the last auto dealer in the U.S. under the American Motors banner Collier (necklace), a type of necklace, possibly a synonym for choker Collier Trophy, a prestigious award in American aviation Collier's, a U.S. magazine published between 1888 and 1957 Colliers (company), commercial real estate services company Colliers Wood United F.C., an English association football club