Richard David Bach (born June 23, 1936) is an American writer. He has written numerous flight-related works of fiction and non-fiction. His works include Jonathan Livingston Seagull (1970) and Illusions: The Adventures of a Reluctant Messiah (1977), both of which were among the 1970s' biggest sellers.

Most of Bach's books have been semi-autobiographical, using actual or fictionalized events from his life to illustrate his philosophy. His books espouse his philosophy that our apparent physical limits and mortality are merely appearance.

Bach is noted for his love of aviation and his books related to flying in a metaphorical context. He has flown as a hobby since the age of 17. In late August 2012, Bach was severely injured when, on approach to landing at Friday Harbor, Washington, his aircraft clipped some power lines and crashed upside down in a field.

Since Jonathan Livingston Seagull - which dominated the #1 spot on the New York Times Bestseller List for two consecutive years - Richard Bach has touched millions of people through his humor, wisdom, and insight.

With over 60 million copies of his books sold, Richard Bach remains one of the world's most beloved authors. A former USAF fighter pilot, Air Force captain, and latter-day barnstorming pilot, Bach continues to be an avid aviator-author, exploring and chronicling the joys and freedom of flying, reporting his findings to readers. His most recent works include Travels with Puff, which recounts Bach's journey from Florida to Washington state in his small seaplane, Puff, and Illusions II: The Adventures of a Reluctant S.