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Hurricane Calvin (disambiguation), various Pacific Ocean cyclones •
Calvin Cycle, a biochemical system involved in production of sugars •
Calvin (horse), an American Thoroughbred racehorse and winner of the 1875 Belmont Stakes •
Susan Calvin, fictional robopsychologist in Isaac Asimov's short stories •
Calvin Company, a defunct educational and industrial film production company •
Calvin (Calvin and Hobbes), a comic strip character •
Calvin (novel), a novel by Martine Leavitt about a mentally ill teenager's obsession with the comic strip character ==See also==