"Feeling Good" is a song written by English composers Anthony Newley and Leslie Bricusse for the musical The Roar of the Greasepaint – The Smell of the Crowd. It was first performed on stage in 1964 by Cy Grant on the UK tour.

Anthony Newley was an English actor, singer, songwriter, and filmmaker. A "latter-day British Al Jolson", he achieved widespread success in song, and on stage and screen. "One of Broadway's greatest leading men", from 1959 to 1962 he scored a dozen entries on the UK Top 40 chart, including two number one hits. Newley won the 1963 Grammy Award for Song of the Year for "What Kind of Fool Am I?", sung by Sammy Davis Jr., and wrote "Feeling Good", which became a signature hit for Nina Simone. His songs have been sung by a wide variety of singers including Fiona Apple, Tony Bennett, Barbra Streisand, Michael Bublé and Mariah Carey.