William F. Allen (New York politician)

William Fitch Allen (July 28, 1808 – June 3, 1878) was an American lawyer and politician.

He was born on July 28, 1808, in Windham County, Connecticut, the eldest son of Abner Harvey Allen and Cynthia Palmer, a sister of the mother of Sanford E. Church.

He was admitted to the bar in 1829, and commenced practice in partnership with George Fisher at Oswego until 1833.

In 1834, he formed a partnership with Abraham P. Grant which continued until his election to the New York Supreme Court.

At the New York special judicial election, 1870, he was elected to the New York Court of Appeals, and in July 1870 became one of the first judges of the new court upon its re-organization after the amendment of the State Constitution in 1869.