"Walking on Sunshine" is a song written by Kimberley Rew for British rock band Katrina and the Waves' 1983 eponymous debut full-length album. The rerecorded version was at first released on the band's 1985 self-titled album as the album's second single and reached No. 4 in Australia, No. 9 in the United States and No. 8 in the United Kingdom. It was the Waves' first American top 40 hit, and their biggest success in the UK until "Love Shine a Light" (1997).

Katrina and the Waves were a British rock band formed in Cambridge in 1981, widely known for their 1985 hit "Walking on Sunshine". They also won the 1997 Eurovision Song Contest with the song "Love Shine a Light".