Orson Leon Crandall (February 2, 1903 – May 10, 1960) was a United States Navy diver and a recipient of America's highest military decoration - the Medal of Honor.

Trained as a diver in 1932–33 and designated a Master Diver in March 1939, he was serving in USS Falcon (ASR-2) when she supported the rescue and salvage effort on the sunken submarine USS Squalus from May to September 1939.

Chief Boatswain's Mate Crandall was awarded the Medal of Honor for his actions as Master Diver during that operation.

During World War II, Crandall became a commissioned officer and served in a variety of salvage and diving-related positions.

[3] Orson Crandall's official Medal of Honor citation is as follows: For extraordinary heroism in the line of his profession as a master diver throughout the rescue and salvage operations following the sinking of the U.S.S.