Ralf-Reimar Wolfram (31 March 1912 – 9 February 1945) was a Korvettenkapitän (lieutenant commander) during World War II.

During his career he commanded two U-boats for a total of 118 days at sea spanning four patrols.

During his third patrol he sank the SS Robert Gray, an American liberty ship.

Robert Gray was a straggler from convoy HX 234 en route to Britain.

For Wolfram's fourth patrol, he commanded U-864 during Operation Caesar.