Kuster is a surname; notable people with this surname include::
Andrew Kuster (born 1969), American writer, composer, conductor; former husband of Kristin KusterAnn McLane Kuster (born 1956), United States attorney and politicianAnton Kuster (born 1923), Swiss sprint canoerBill Kuster (1930–2006), American television meteorologistBrigitte Kuster (born 1959), French politicianErnst Kuster (footballer) (1940–1982), German footballerGeorg Gottfried Küster (1695–1776), German historianJudith Kuster, American speech-language pathologistKristin Kuster (born 1973), American composer; former spouse of Andrew KusterSelina Kuster (born 1991), Swiss footballer