Interchange, also known as Interchanged, is an 1955 abstract expressionist oil painting on canvas by Dutch-American painter Willem de Kooning (1904–1997). Like Jackson Pollock, de Kooning was one of the early artists of the abstract expressionism movement, the first American modern art movement. The painting measures 200.7 by 175.3 centimetres and was completed in 1955. It marked the transition of the subjects of de Kooning's paintings from women to abstract urban landscapes. It reflects a transition in de Kooning's painting technique due the influence of artist Franz Kline, who inspired de Kooning to paint with quickly made gestural marks as opposed to violent brush strokes. The painting features a fleshy pink mass at its center, representing a seated woman.

Willem de Kooning was a Dutch-American abstract expressionist artist. Born in Rotterdam, in the Netherlands, he moved to the United States in 1926, becoming an American citizen in 1962. In 1943, he married painter Elaine Fried.