Gerhard Köppen (17 May 1918 – 5 May 1942) was a German Luftwaffe ace and recipient of the Knight's Cross of the Iron Cross with Oak Leaves during World War II. 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. Gerhard Köppen is credited with 85 victories in 380 sorties and was posted missing in action on 5 May 1942.