"Hot Summer" is a song by German pop group Monrose from their second studio album, Strictly Physical (2007). A dance-pop song with heavy elements of Europop and house, it written and co-produced by Danish songwriters Remee and Thomas Troelsen.

Released as the band's third single and the album's leading single on 29 June 2007 (see 2007 in music) in German-speaking Europe, "Hot Summer" became the band's second non-consecutive number-one hit in a stretch of seven month, reaching the top of the charts in Austria, Germany, and Switzerland. It eventually emerged as one of the biggest-selling songs of the year on German online music stores, and moreover, garnered the group success in Finland, the Netherlands and Slovenia, where it served as the band's musical debut.

"Hot Summer" was one of the first collaborations producers Remee and then-new partner Thomas Troelsen worked on in the Delta Lab White recording studios in Copenhagen, Denmark in fall 2006. The song was selected out of a total of three hundred songs as the album's lead single unanimously, aiming to break away from the ballad stereotype associated with the group. The band has described the up-tempo track as a perfect "good mood song": "The song is cool and sexy and goes straight into your dancing legs, [it's] our contribution to great summer parties," Monrose member Senna Guemmour said in an interview with the band's official website. She also discussed the 1980s and house music elements incorporated into the recording.Mandy Capristo called the song a "promise": "It instantly raises your spirits, no matter if you're sitting in your car, dancing on the floor or eating ice-cream - 'Hot Summer' is just brimful of life."

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