Fifty-Five Vault is a Ben Folds compilation album featuring 56 tracks, mostly unreleased live recordings and demos.

It was released jointly with The Best Imitation of Myself: A Retrospective as a digital-only album available via Folds' website.

All songs performed by Ben Folds, unless otherwise noted.

+ denotes previously unreleased.

All tracks are written by Ben Folds, unless otherwise noted This 2010s alternative rock album–related article is a stub.