Petter may refer to: People: Petter (given name) W. E. W. Petter, English aircraft designer Arlie Petters, a Belizean-American mathematical physicist Tom Petters, former CEO and chairman of Petters Group Worldwide Place names: Petter Bay, a bay on Coronation Island, in the South Orkney Islands, in Scotland In business: Lister Petter, a British manufacturer of internal combustion engines Petters Limited, a former manufacturer of internal combustion engines, and one of Lister Petter's predecessors Petters Group Worldwide, a diversified company headquartered in Minnetonka, Minnesota Other: The Petter Chamor, a mitzvah in Judaism Petter Dass Museum, a museum in Alstahaug, Norway dedicated to Lutheran priest and poet Petter Dass