Paul Semrau (12 November 1915 – 8 February 1945) was a Luftwaffe night fighter flying ace of World War II. He was also a recipient of the Knight's Cross of the Iron Cross with Oak Leaves (German: Ritterkreuz des Eisernen Kreuzes mit Eichenlaub). The Knight's Cross of the Iron Cross and its higher grade Oak Leaves was awarded to recognise extreme battlefield bravery or successful military leadership. Semrau was credited with 46 nocturnal aerial victories, claimed in 350 combat missions.