Reinhard Kollak (28 March 1915 – 6 February 1980) was a Luftwaffe night fighter ace and recipient of the Knight's Cross of the Iron Cross during World War II. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. Reinhard Kollak was the highest scoring non commissioned Nachtjagd pilot who, together with his Bordfunker Hans Herman, was credited with 49 victories in over 250 missions, all at night.