Greengard

Greengard is a surname. Notable people with the surname include:


 * Irene Greengard (1924–2013), American actress and writer under the name Chris Chase
 * Leslie Greengard (born 1957), American mathematician
 * Michael "Mig" Greengard (born 1969), American chess author and journalist
 * Paul Greengard (1925–2019), American molecular neuroscientist, shared the 2000 Nobel Prize for Physiology or Medicine