Hide Your Heart is a song by Welsh singer Bonnie Tyler, released on her 1988 album Hide Your Heart. The song was written by Kiss' rhythm guitarist and vocalist Paul Stanley, Desmond Child and Holly Knight. Although the song failed to chart, it has appeared on several compilations.

Gaynor Sullivan, known professionally as Bonnie Tyler, is a Welsh singer who is known for her distinctive husky voice. Tyler came to prominence with the release of her 1977 album The World Starts Tonight and its singles "Lost in France" and "More Than a Lover". Her 1977 single "It's a Heartache" reached number four on the UK Singles Chart, and number three on the US Billboard Hot 100.