Walter Richmond Herrick (born May 11, 1877 in Albany, New York) was an American lawyer and politician from New York.
He was the son of Assemblyman Jonathan R. Herrick (1818–1890) and his second wife Charlotte Jackson (Brown) Herrick (1847–1918). He graduated from Princeton University in 1898, and from Albany Law School in 1900.
He was a member of the New York State Assembly (New York Co., 27th D.) in 1911; and of the New York State Senate (17th D.) in 1913 and 1914.
On July 5, 1916, he married Mary Douglas Bosworth, and they had a daughter: Eileen J. Herrick (born 1919).
In 1919, he was appointed by Gov. Al Smith as Narcotic Drug Control Commissioner.
He was Manhattan Park Commissioner from 1927 to 1933.
Judge D-Cady Herrick (1846–1926) was his half-brother.