Wilhelm may refer to: People and fictional characters William Charles John Pitcher, costume designer known professionally as "Wilhelm" Wilhelm (name), a list of people and fictional characters with the given name or surname Other uses Mount Wilhelm, the highest mountain in Papua New Guinea Wilhelm Archipelago, Antarctica Wilhelm (crater), a lunar crater See also Wilhelm scream, a stock sound effect SS Kaiser Wilhelm II, or USS Agamemnon, a German steam ship Wilhelmus, the Dutch national anthem