Piccadilly Pub was a chain of casual dining restaurants headquartered in the US state of Massachusetts. The first Piccadilly Pub restaurant was opened by William C. Martin in 1973 in the town of Westborough, Massachusetts. The chain offered a menu of American cuisine, with particular emphasis on seafood such as fish and chips, New England clam chowder, fried clams, lobster, scallops, and shrimp. As of 2008, the chain had 13 locations, all in Massachusetts and Connecticut. All locations abruptly closed on February 5, 2012.