Willem Drees (audio speaker iconDutch pronunciation (help·info); July 5, 1886 – May 14, 1988) was a Dutch politician of the Labour Party (PvdA) and its predecessor the SDAP. He served as Prime Minister of the Netherlands from August 7, 1948 until December 22, 1958.

Before entering national politics Drees was a member of the municipal council and also an alderman of The Hague. During this time he was also a member of the Provincial States of South Holland.

Drees was an active performer of Esperanto.