John Vincent was an American lawyer and politician from New York.
In January 1882, John McKeon took office as New York County District Attorney and appointed Vincent an Assistant D.A.
After McKeon's death on November 22, 1883, Vincent was appointed by the Court of General Sessions as Acting D.A.
On November 30, Governor Grover Cleveland appointed Wheeler H. Peckham as D.A.
In November 1887, Vincent ran on the United Labor ticket for the New York Supreme Court (1st D.) but was defeated.