Greatest Hits: My Prerogative is the first greatest hits album by pop singer Britney Spears. The album was released on November 1, 2004 in Japan, on November 8, 2004 around the world and on November 9, 2004 in the United States and Canada.

The set includes most of Spears' hit singles, from "...Baby One More Time" to "Outrageous", and almost everything in between; "From the Bottom of My Broken Heart" is the only regularly-released single not included on any edition. Also included are three new songs; a cover of Bobby Brown's "My Prerogative" (which was featured as the lead single), and two previously unreleased songs entitled "Do Somethin'" (which was later released as a single) and "I've Just Begun (Having My Fun)", the latter of which also appeared on the In the Zone video album. The album was the 13th best selling album worldwide of 2004 and has sold over 6 million copies to date.