"Don't Stop Me Now" is a song by the British rock band Queen, featured on their 1978 album Jazz and released as a single on 26 January 1979. Written by lead singer Freddie Mercury, it was recorded in August 1978 at Super Bear Studios in Berre-les-Alpes (Alpes-Maritimes), France, and is the twelfth track on the album.

The song also appeared on the band's 1981 compilation album Greatest Hits. In June 2011, as part of Queen's 40th anniversary celebrations, an old take of the song containing more guitar parts was included on the bonus EP of the re-released and remastered Jazz album. Featuring in films, commercials, and television shows, the song has grown in popularity in the decades since its release. Bobby Olivier of Billboard attributes its initial rebirth to its appearance in the 2004 cult classic zombie apocalypse film Shaun of the Dead. In 2014, Rolling Stone readers voted it their third-favourite song by Queen.

The song was written by Freddie Mercury during the sessions for Jazz. The band felt they were "getting better at having a good time" and the lyrics reflect this. Musically, the song builds on Mercury's piano playing, with John Deacon and Roger Taylor providing a bass guitar and drums backing track. The song also provides an example of Queen's trademark style of multitrack harmony vocals for the chorus lines.

An alternative version of the song, with a harder, guitar-driven arrangement, appeared on Bohemian Rhapsody: The Original Soundtrack issued in 2018, billed as "Don't Stop Me Now... Revisited".

The single reached number 9 in the UK charts but only number 86 in the US; as the album was a top-10 hit, the song got some airplay on U.S. album-oriented rock stations despite its low chart ranking as a single. Despite this, the song has grown in stature with time and has been popularised not only by consistent airplay, but by its use in advertisements, television programmes and films, and through cover versions. It has subsequently become one of Queen's most popular songs. The song was voted as the third-best Queen song by readers of Rolling Stone, who noted that "time has also been very kind to it and it's widely seen now as one of the group's best works." The single also has reached platinum status in the United Kingdom. In a March 2019 Billboard article titled, "The Evolution of Queen's 'Don't Stop Me Now': How a Minor Hit Became One of the Band's Most Beloved (And Inescapable) Songs", Bobby Olivier wrote,

"You might have noticed a new commercial promoting the new season of American Idol. It was a 90-second music video featuring a dozen or so bright-eyed contestants, all of whom gleefully belted lines from a beloved song that has felt particularly ubiquitous as of late. No, it wasn't "Shallow," or "Thank U, Next"—it was Queen's "Don't Stop Me Now," a classic-rock energizer that has, in the last six months alone, also been featured in commercials for Toyota, Silk almond milk, Amazon and L'Oreal. In the latter spot, Camila Cabello lip-syncs to the 41-year-old song as she dances and applies her lipstick. "Don't Stop Me Now" is not only one of the band's most treasured cuts, but one of the most popular songs of its entire era. On Sunday, March 3 [2019], it eclipsed 500 million plays on Spotify—nearly double that of any Rolling Stones, U2 or Led Zeppelin song on the service."

Alexis Petridis of The Guardian wrote that the "astonishing" song "may be Queen's greatest song of all". He felt it was "a direct product of [Mercury's] hedonism and promiscuity: an unrepentant, joyous, utterly irresistible paean to gay pleasure-seeking. You find yourself wondering if its title might not have been aimed at his censorious bandmates." Mike Orme of Stylus Magazine ranked it the 7th-greatest penultimate track on an album, calling it Queen's "most flamboyant and energetic single" and commenting: "Essentially three and a half minutes of Freddie Mercury jacking the mike from the rest of the world, the song offers him a chance to let us know just how much fun he's having in the spotlight." Billboard praised Brian May's guitar solo and also stated that the song was "less gimmick laden" than Queen's previous single from Jazz, "Bicycle Race"/"Fat Bottomed Girls", "while still retaining the brazen braggadocio of Freddie Mercury's lead vocals." Cash Box said it has "vocal dramatics and varied arrangements by Mercury" and "beautifully layered vocals and regal guitar work from May". Record World called it a "fast paced tune with that easily identifiable Freddie Mercury lead vocal and Brian May guitar." The television show Top Gear voted it the Greatest Driving Song Ever.

Despite its popularity, Brian May was not originally a fan of the song as he felt it was celebrating the hedonistic and risky lifestyle of Mercury, which he considered threatening. He added that he struggled with the lyrics at the time, because it was about a difficult period in Freddie's life when the singer was "taking lots of drugs and having sex with lots of men". However, after hearing the song being played at weddings, parties and funerals, he has come to appreciate it as representing "great joy".