"Truly Madly Deeply" is a song by Australian pop band Savage Garden, released as the third single from their self-titled debut album in March 1997. Written by bandmates Darren Hayes and Daniel Jones, the song is a reworking of a song called "Magical Kisses" that the pair wrote together long before recording began on their debut album. It was used as the main theme from the soundtrack of the 1998 film Music from Another Room, starring Jude Law and Gretchen Mol. As of the 55th anniversary of Billboard Truly Madly Deeply is ranked 35th best song of all time.

Truly, Madly, Deeply is a 1990 British fantasy music drama film made for the BBC's Screen Two series, by BBC Films, Lionheart and Winston Pictures. The film, written and directed by Anthony Minghella, stars Juliet Stevenson and Alan Rickman.