Pierre Frieden (28 October 1892 – 23 February 1959) was a Luxembourg politician and writer. He was the 17th Prime Minister of Luxembourg, serving for eleven months, from 29 March 1958 until his death, on 23 February 1959. He also served as Interior Minister from 1951. He returned to his post as Minister for Education, Culture and Science in the government of Joseph Bech, who became Prime Minister after Pierre Dupong's death in 1953. He was also Minister for Families and the Interior. On 29 May 1958 he became Prime Minister. Only a year later, in 1959, he died in Zürich.