Peter McKinley (born 1811) was a Michigan politician.
McKinley was born around 1811 in New York.
McKinley was a farmer. On November 4, 1856, McKinley was elected to the Michigan House of Representatives where he represented the Manitou County district from January 7, 1857, to December 31, 1860. During his second term, he served on the Rules and Joint Rules committee and the House of Correction committee.
McKinley lived in St. James, Michigan on Beaver Island.