Piet Hein or Piet-Hein may refer to:
People Piet Pieterszoon Hein (1577–1629), Dutch naval commander and folk hero Piet Hein (scientist) (1905–1996), descendant of the above, Danish poet and scientist Piet Hein Donner (born 1948), Dutch politician nicknamed "Piet Hein" Piet-Hein Geeris (born 1972), Dutch field hockey player
See also Peter Hein (born 1973), Indian action choreographer and stunt coordinator Peter Hein (rower) (born 1943), German rower Peter Heine (1928–2005), South African cricketer Peter Heintz (1920–1983), Swiss sociologist Peter Heinz (born 1954), German sports shooter Peter Heine Nielsen (born 1973), Danish chess grandmaster
Ships Dutch ship Piet Hein (1810), an 80-gun ship of the line of the navy of the Batavian Republic, never launched French ship Piet Hein (1813), a 74-gun ship of the line of the French Navy HNLMS Piet Hein (1894), a coastal defence ship of the Royal Netherlands Navy HNLMS Piet Hein (1929), a destroyer of the Royal Netherlands Navy HNLMS Piet Hein (F811), a frigate of the Royal Netherlands Navy Piet Hein (royal yacht) (1937), a wedding gift to Princess Juliana of the Netherlands