"Sunday Morning" is a song by American band No Doubt for their third studio album, Tragic Kingdom (1995). It was written by Gwen Stefani, Eric Stefani, and Tony Kanal, produced by Matthew Wilder, and released as the record's fifth single on May 27, 1997. The song has also been included on their 2003 greatest hits album, The Singles 1992–2003. Its lyrics describe a romantic relationship that ended in a breakup and was inspired by a discussion that Gwen Stefani had with Kanal. The song has been described as a ska and ska punk recording with elements of reggae and Motown.

Tragic Kingdom is the third studio album by American rock band No Doubt, released on October 10, 1995, by Trauma Records and Interscope Records. It was the final album to feature original keyboardist Eric Stefani, who left the band in 1994. The album was produced by Matthew Wilder and recorded in 11 studios in the Greater Los Angeles area between March 1993 and October 1995. Between 1995 and 1998, seven singles were released from it, including "Just a Girl", which charted on the Billboard Hot 100 and the UK Singles Chart; and "Don't Speak", which topped the Billboard Hot 100 Airplay and reached the top five of many international charts.