"Feeling Good" (also known as "Feelin' 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 and by Gilbert Price in 1965 with the original Broadway cast.

"Feeling Good" was covered by Canadian singer Michael Bublé as the lead single from his album, "It's Time". The single was released on 4 April 2005. The song was the opening track on his live album, "Caught in the Act", and has appeared in television commercials, ESPN's 2005 World Series of Poker tournament, and the 2010 NBA draft broadcast.

The single peaked at No. 162 in the United Kingdom, No. 70 in Australia, No. 36 in Germany, No. 66 in Austria, and No. 14 in Poland. The song has become one of his most popular singles and became a hit in May 2010 when it reached No. 69 on the UK Singles Chart after it was featured in British commercials.