Omar Dwight Conger (April 1, 1818 – July 11, 1898) was a U.S. Representative and U.S. Senator from the U.S. state of Michigan.Conger was born in Cooperstown, New York and moved with his father, the Rev. E. Conger, to Huron County, Ohio in 1824. He pursued academic studies at the Huron Institute in Milan, Ohio, and graduated from Western Reserve College (now Case Western Reserve University) in Hudson, Ohio in 1841.