Saddle Brook is a township in Bergen County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 14,294,
History
thumb|upright=1.3|Map of Saddle River Township as of 1876
Before European settlement, the earliest people in the area were the Lenape Native Americans.
Saddle River Township was created on March 20, 1716, consisting of all of the territory in Bergen County west of the Saddle River, It was incorporated on February 21, 1798, by the Township Act of 1798 as one of the initial group of 104 townships incorporated in New Jersey. It was bounded on the north by Ridgewood, south by Lodi, east by the Saddle River and west by the Passaic River. In 1724, the Township formally seceded from New Barbadoes. Garfield (March 15, 1898), East Paterson (April 18, 1916; renamed to Elmwood Park, effective January 1, 1973) and Fair Lawn (April 5, 1924) subsequently split off.
Saddle Brook adopted its current name on November 8, 1955, replacing Saddle River Township.
Unincorporated communities, localities and place names located partially or completely within the township include Coalberg and Passaic Junction.