"Lost Without Each Other" is a song written and performed by American pop-rock band Hanson.

It was released as the second single from the band's third studio album, Underneath (2004), on August 9, 2004; in Australia, it was issued as a double A-side with "Strong Enough to Break" in February 2005.

The song peaked at number 39 on the UK Singles Chart but failed to obtain any significant success elsewhere.

Additional writers are noted in parentheses.

Australian and New Zealand CD single[3] Japanese CD EP[4] This 2000s pop song-related article is a stub.