Gehman is a surname. Notable people with the surname include:
Don Gehman, American record producer, best known for his work in the 1980s with John Mellencamp Harold W. Gehman, Jr., retired United States Navy four-star admiral who served as NATO's Supreme Allied Commander Hilary Gehman (born 1971), American rower from Shirley, Massachusetts Martha Gehman, American actress, known for her role as Ophelia in the 1985 cult classic The Legend of Billie Jean Pleasant Gehman (born 1959), magazine writer, poet, actor, dancer and musician from Los Angeles Richard Gehman (1921–1972), prolific American author of 3,000 magazine articles, five novels and fifteen nonfiction books
Other John Gehman Farm was listed on the National Register of Historic Places in 1992