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Orrin Williams Robinson (August 14, 1834 – September 6, 1907) was a politician and businessman from the U.S. state of Michigan. He ran a successful logging operation in the Upper Peninsula and was elected to serve in both houses of the Michigan Legislature and for two terms as the 31st lieutenant governor of Michigan, from 1899 to 1903 under Governors Hazen S. Pingree and Aaron T. Bliss.