"Wonderwall" is a song by the English rock band Oasis, written by the band's lead guitarist and main songwriter Noel Gallagher. The song was produced by Owen Morris and Gallagher for their second studio album (What's the Story) Morning Glory? (1995). According to Gallagher, "Wonderwall" describes "an imaginary friend who's gonna come and save you from yourself".[2]

The song was released as the fourth single from the album in October 1995. "Wonderwall" topped the charts in Australia and New Zealand. The song reached the top ten on another ten charts, including Canada and the United States at number 5 and 8, respectively, as well as number two on both the UK Singles Chart and Irish Singles Chart. The single was certified quadruple platinum by the British Phonographic Industry and certified gold by the Recording Industry Association of America.

It remains one of the band's most popular songs; on 9 June 2013, it was voted number one on Australian alternative music radio station Triple J's "20 Years of the Hottest 100".