The Definitive Collection is a 2000 greatest hits compilation album of 11 Partridge Family and 9 David Cassidy songs.

A longer version included four additional David Cassidy tracks.

Lindsay Planer of AllMusic concludes, "While earnest enthusiasts will probably choose to locate the individual reissues, for all non-completists and otherwise average fans, this Definitive Collection lives up to its name.

"[1] Track information and credits adapted AllMusic,[2] and verified from the album's liner notes.

This article on a 2000s compilation album is a stub.