Robert H. Adleman (May 7, 1919 - November 16, 1995) was an American novelist and historian.
Adleman was born in Philadelphia, Pennsylvania. A photographer and tail gunner in World War II, he became a businessman and a historian, and began a collaboration with U.S. Army Colonel George Walton to write books about World War II, the most successful of which was 1966's The Devil's Brigade. A story about the 1st Special Service Force nicknamed the "Devil's Brigade", the book would be turned into a motion picture of the same name.
After selling the movie rights, Adleman and his wife moved from Philadelphia to Malibu, California. They remained there for a number of years until they acquired a large ranch property in Oregon. At which point they opened the restaurant The Bella Union, featuring the "peach baboo", a cocktail named after their grandson's childhood treat. Adleman died in Ashland, Oregon, in 1995. His wife and two daughters scattered his ashes on the ocean at the beach in Malibu.