Wickham Hoffman (April 2, 1821 – May 21, 1900) was a lawyer, diplomat and Union Army Colonel.

[1] Hoffman was born in New York City to Murray Hoffman, Vice Chancellor and Associate Justice of the Supreme Court of New York and Frances Burrall.

Admitted to the New York Bar, he practiced law until the American Civil War broke out.

Hoffman served in various positions during the war including Aide-de-camp to Governor Edwin D. Morgan, Inspector of New York troops at Fortress Monroe, Virginia, 1861, and Assistant Adjutant General, United States Volunteers in 1862 before being assigned to the staff of Brigadier General Thomas Williams in the expedition at Baton Rouge, Louisiana.

He died at Atlantic City summer home May 21, 1900 after an "attack of paralysis" the day before and was buried with full military honors in Section 1 of Arlington National Cemetery.