Daniel Eugene Osman (February 11, 1963 – November 23, 1998) was a Japanese-American extreme sport practitioner, known for the dangerous sports of free-soloing, rock climbing without ropes or other safety gear. He also participated in rope free-flying or rope jumping, falling several hundred feet from a cliff then being caught by a safety rope, for which his record was over . He was known for living a bohemian lifestyle, working as a part-time carpenter and living in Lake Tahoe, California. He was the subject of several rock climbing videos, which brought free-soloing to a wider audience. Dan was also instrumental in the development the Cave Rock climbing area at Tahoe and many more other areas in the Carson City area. Dan had one daughter, Emma Osman.