"Lost in Love" is a 1979 song by English-Australian band Air Supply. It was originally taken from their fourth studio album Life Support and was re-recorded for their fifth studio album Lost in Love. It went to number 3 in the United States and New Zealand, number 4 in Australia, number 10 in France and number 13 in Australia. It went to be covered by Greek singer Demis Roussos and New Zealand band Deep Obsession where it topped the single charts in August 1998.