Barry Wordsworth (born 20 February 1948, Worcester Park, Surrey, U.K.) is a British conductor. Wordsworth is Principal Guest Conductor of the Royal Ballet and has had a long relationship with company. He was first appointed as Assistant Conductor to the company's touring orchestra in 1972. In 1973 he became Principal Conductor of the Sadler's Wells Royal Ballet and served as Music Director of the Royal Ballet from 1990 to 1995, and again from 2006 to 2015, after an intervening position with Birmingham Royal Ballet.