Peter Rochegune Munch (in Danish usually referred to as P. Munch) (30 April 1870 – 8 July 1948) was a prominent Danish historian and politician. He was a leading member of the Radikale Venstre, and represented Langeland in parliament. As Foreign Minister of Denmark from 1929 to 1940, he greatly influenced Danish foreign policy well beyond his own time in office. However, his role in the years leading to the German occupation of Denmark has ensured that his legacy remains controversial.