Knickerbocker, also spelled Knikkerbakker, Knickerbakker, Knickerbacker, is a surname that dates back to the early settlers of New Netherland that was popularized by Washington Irving in 1809 when he published his satirical A History of New York under the pseudonym "Diedrich Knickerbocker". It was also a term for Manhattan's aristocracy "in the early days" and became a general term, now obsolete, for a New Yorker. It may refer to:
- People
- Harmen Jansen Knickerbocker (ca. 1650 – ca. 1720), Dutch colonist in New Netherland (New York)
- David Buel Knickerbacker (1833 - 1894), 3rd Protestant Episcopal bishop of the diocese of Indiana
- Herman Knickerbocker (1779 - 1855), United States Representative
- Hubert Renfro Knickerbocker (1898 – 1949), American writer and journalist
- Clothing
- Knickerbockers (clothing), men's or boys' baggy knee trousers
- Knickers, panties or women's undergarments
- Food
- The Knickerbocker glory, British dessert
- Historical events
- The Knickerbocker Case, late 1940s investigation of antisemitism at the City College of New York
- The Knickerbocker Storm, which demolished the Knickerbocker Theatre in Washington, D.C.
- Building
- Knickerbocker (Spokane, Washington), listed on the U.S. National Register of Historic Places
- Literature
- Diedrich Knickerbocker, pseudonym of Washington Irving
- The Knickerbocker or New-York Monthly Magazine (1833 - 1865), literary magazine founded by Charles Fenno Hoffman
- The Knickerbocker Group, consisting of Irving and other frequent contributors to The Knickerbocker
- Music
- Knickerbocker Holiday, 1938 musical by Kurt Weill and Maxwell Anderson
- The Knickerbockers, "one hit wonder" American pop/rock music group best remembered for their 1965 hit, "Lies"
- Organizations
- The Knickerbocker Club, private male-only social club in New York City
- The Knickerbocker Greys, afterschool program in New York City
- Knickerbocker Sailing Association, a gay, lesbian, bisexual, and transgender sailing club in New York City
- Businesses
- The Knickerbocker Trust Company, a bank whose failure triggered the Panic of 1907
- Knickerbocker Ice and Coal Co.
- Places
- Knickerbocker Mansion, Schaghticoke, Rensselaer County, New York
- Knickerbocker Avenue, Brooklyn, New York
- Knickerbocker Avenue (BMT Myrtle Avenue Line), New York City subway station
- Knickerbocker Hotel, at 6 Times Square, New York City
- Knickerbocker Hotel (Los Angeles), now Hollywood Knickerbocker Apartments
- Knickerbocker Hotel (Milwaukee, Wisconsin), also known as Knickerbocker on the Lake
- Knickerbocker, Texas, community in the western part of the state
- Knickerbocker Theatre (Broadway)
- Knickerbocker Theatre (Washington, D.C.), demolished by the Knickerbocker Storm
- Knickerbocker Village, housing project in New York City
- Times Union Center, formerly the Knickerbocker Arena, Albany, New York
- United States Post Office–Knickerbocker Station, historic post office in New York City
- Sports
- Knickerbocker Rules, early formalization of the rules of American baseball
- New York Knickerbockers, one of the first baseball teams
- New York Knicks (short for "Knickerbockers"), National Basketball Association team
- Knickerbocker Athletic Club football team, an early-20th century American football team
- Albany Knickerbockers Rugby Football Club, est. 1973, in Albany, New York
- Warwickshire Knickerbockers, cricket team that participated in first game of cricket in France
- Ships
- USS Knickerbocker (SP-479), a United States Navy tug, minesweeper, and dispatch ship in commission from 1917 to 1919