Robert Steele Lewis (August 15, 1856 – May 23, 1956) was a North Dakota Republican Party politician who served as the seventh lieutenant governor of North Dakota under Governor John Burke. Lewis also served in the North Dakota Senate from 1901 to 1905.

Biography

Robert S. Lewis was born in Iuka, Mississippi, on August 15, 1856. He married Alice Carpenter in 1879, and they had three children. Lewis died in Fargo, North Dakota, on May 23, 1956, at the age of 99, only few months shy of his 100th birthday, making him the oldest statewide officer in the state's history.