"Lovesong" (sometimes listed as "Love Song") is a song originally recorded by the English alternative rock band The Cure, released as the third single from their eighth studio album Disintegration in 1989. The song saw considerable success in the United States, where it was a number two hit (blocked by Janet Jackson's "Miss You Much") and the band's only top ten entry on the Billboard Hot 100; in the United Kingdom, the single charted at number 18.

The song has been covered by several artists, with notable cover versions by American rock band 311, recorded for the soundtrack for the film 50 First Dates and also released as a single. This song was also performed by Adele on her 2011 album 21.

Upon release as a single, the song received worldwide success, and first peaked at #2 on the Billboard Hot 100, making it the group's most successful single in the US to date. The song also charted at #2 on the Billboard Modern Rock Tracks chart, #27 on the Billboard Mainstream Rock Tracks chart and #18 on the UK Singles Chart. Robert Smith originally wrote the song for his long-time girlfriend and then fiancée, Mary, as a wedding present.

An instrumental demo version recorded by the band was featured on the second disk of the 2010 re-release of Disintegration.

A music video featuring the band performing inside a cave was also released with the single.

Similar to the title variations of The Cure song "In Between Days", there doesn't seem to be a universally agreed-upon spacing method of the title of Lovesong, as it varies between "Lovesong" and "Love Song" on many official Cure releases. The original 1989 artwork for the album Disintegration uses "Love Song" on the track listing and "Lovesong" on the lyrics sheet: the revised art for the 2010 remaster of the album consistently uses "Lovesong". When released as a single in 1989, the cover artwork displayed the title as "Lovesong", while the printing on the disc itself read "Love Song" all three times. Subsequent releases of Paris and Galore both use "Lovesong" exclusively, while 2001's Greatest Hits compilation uses "Lovesong" on the track listing and "Love Song" within the liner notes. 2004's Join the Dots also uses "Lovesong" within the booklet presentation.

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