"I Can't Stop Loving You (Though I Try)" is a song written by Billy Nicholls and first released by Leo Sayer from his 1978 self-titled album on the Chrysalis label. It reached #6 on the UK singles chart and was classified silver. In 2002, Phil Collins also covered the song, as "Can't Stop Loving You". His version reached #28 on the UK singles chart. For other versions of the song, see section below.

The Leo Sayer single was released in 1978 as follows:

"Can't Stop Loving You" is the tenth song by English singer Phil Collins on his seventh solo album Testify, released in 2002. The song was the lead single from Testify. It is also released as the 12th track on the first CD of the 2004 compilation album, Love Songs: A Compilation... Old and New. Although it had minor airplay, the song was yet another number one Billboard adult contemporary smash hit for Collins, his eighth. The song also reached the number ten on the Eurochart.

The song was originally recorded by Collins in 2000 for a love songs project along with "Least You Can Do", but both tracks were released in 2002 for Testify.

^*sales figures based on certification alone

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