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 1,000 feet (300 m). 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 had one daughter, Emma Osman.