Stephen Hallett Hammond (November 24, 1828 – March 9, 1910) was an American lawyer and politician from New York.

[3] While his uncle Elbridge G. Spaulding was state treasurer from 1854 to 1855, Hammond did some work for the Treasury.

In 1856, he was appointed Deputy New York Attorney General and held the post for 16 years.

He was a member of the New York State Assembly (Ontario Co., 1st D.) in 1874 and 1875, and was chairman of the Committee on Ways and Means in 1875.

Later he was Chairman of the Board of Managers of the Willard Asylum for the Chronic Insane.