"If You Were Here Tonight" is a song written by Monte Moir and recorded by American recording artist Alexander O'Neal. It is the second single from the singer's self-titled debut solo album, Alexander O'Neal (1985). The song is notable for its non-rhyming lyrics. Following the moderately successful chart performances of the Alexander O'Neal single "Innocent", "If You Were Here Tonight" was released as the album's second single.
"If You Were Here Tonight" is a melancholy ballad about the break-up of a relationship. "If You Were Here Tonight" is one of three songs written by Monte Moir from the album, but it is the only one to be released as a single.
It was O'Neal's first successful hit in the United Kingdom, reaching #13 in the UK Singles Chart in March 1986 after originally peaking at #81 in August 1985 and also his second R&B hit, reaching #17 in the Hot R&B/Hip-Hop Songs chart. It was also one of his only two hits to chart in the Republic of Ireland (reaching No. 20).
The song's instrumental was sampled as the basis for the highly popular dancehall beat called the Sail Away Riddim in 1998. This was done by producing an uptempo dancehall beat woven around the airy keyboard riff from "If You Were Here Tonight". The Sail Away riddim was used to produce a 12-track "one-rhythm" album of songs using the same instrumental. Artists featured on the Sail Away album included Beenie Man, Mr. Vegas, Chico, Frisco Kid, Sean Paul, Richie Stephens, T.O.K., Nitty Kutchie, Round Head, Tony Curtis, Copper Cat, and Demo Delgado.