Solomon Lewis Spink (March 20, 1831 – September 22, 1881) was an American lawyer who served as a delegate for the Dakota Territory in the United States House of Representatives. Solomon was born in Whitehall, Washington County, New York, and was admitted to the bar in 1856, beginning practicing in Burlington, Iowa. He moved to Paris, Illinois in 1860 and became the editor and publisher of the Prairie Beacon newspaper. Spink was a member of the Illinois state House of Representatives in 1864.