"Black Night" is a song by British hard rock band Deep Purple, first released as a single in June 1970 and later included on the 25th Anniversary version of their 1970 album, In Rock. The song became a hit following its release, peaking at No. 2 on UK charts, and to this day remains Deep Purple's highest charting UK single. It topped the charts in Switzerland, and is one of only two singles from the band to chart in Ireland, peaking at No. 4, thus making it the group's only Irish Top 10 hit. It was also the second single penned by the band, the first being the flop Emmaretta, which was co-written by original singer Rod Evans. It also reached number 6 in South Africa.