William Cotter

William Cotter may refer to:

William Richard Cotter, English soldier and recipient of the Victoria Cross
William R. Cotter , Democratic Party member of the United States House of Representatives from Connecticut
William R. Cotter , lawyer and President of Colby College
William Cotter , Irish-born Roman Catholic bishop of Portsmouth, England
Bill Cotter, Irish Fine Gael politician, former TD and Senator
William Cotter , was a pirate who once owned the Gresham Estate in Edgewater, Maryland.