Małachowski is a Polish surname, it may refer to:
Godzimir Małachowski (1852–1908), Polish lawyer
Jacek Małachowski (1737–1821), Polish nobleman and politician
Kazimierz Małachowski (1765–1845), Polish general
Nicole Malachowski (born September 26, 1974), American aviator
Piotr Małachowski (born June 7, 1983), Polish athlete
Ricardo de Jaxa Malachowski, Peruvian architect
Stanisław Małachowski (1736–1809), Polish nobleman and politician
Wilhelm von Malachowski (6 June 1914–28 October 1980), German military officer
The House of Małachowski (Nałęcz), a noted Polish family