The 86th New York State Legislature, consisting of the New York State Senate and the New York State Assembly, met from January 6 to April 25, 1863, during the first year of Horatio Seymour's second tenure as Governor of New York, in Albany.

Chauncey Mitchell Depew was an American attorney, businessman, and Republican politician. He is best remembered for his two terms as United States Senator from New York and for his work for Cornelius Vanderbilt, as an attorney and as president of the New York Central Railroad System.