...Baby One More Time - January 12, 1999
- ...Baby One More Time - October 23, 1998
- Sometimes - April 30, 1999
- (You Drive Me) Crazy [The Stop! Remix] - August 21, 1999
- Born to Make You Happy - December 06, 1999 (Europe-Only)
- From the Bottom of My Broken Heart - December 15, 1999
Oops!... I Did It Again - May 16, 2000
- Oops!... I Did It Again - March 27, 2000
- Lucky - August 8, 2000
- Stronger - November 13, 2000
- Don't Let Me Be the Last to Know - January 15, 2001
Britney - November 06, 2001
- I'm a Slave 4 U - September 24, 2001
- Overprotected - January 22, 2002 (International-Only)
- I'm Not a Girl, Not Yet a Woman - February 05, 2002 (U.S.-Only)
- I Love Rock & Roll - May 27, 2002 (Europe-Only)
- Anticipating - June 21, 2002 (France-Only)
- Boys (The Co-Ed Remix) [feat. Pharrell Williams] - July 29, 2002
- That's Where You Take Me - June 27, 2003 (Philippines-Only)
In The Zone - November 16, 2003
- Me Against the Music (feat. Madonna) - October 14, 2003
- Toxic - January 13, 2004
- Everytime - May 10, 2004
- Outrageous - July 20, 2004
Greatest Hits: My Prerogative - November 01, 2004
- I've Just Begun (Having My Fun) - August 17, 2004 (Digital-Only)
- My Prerogative - September 21, 2004
- Do Somethin' - February 14, 2005 (International-Only)
Britney & Kevin: Chaotic - September 27, 2005
- Someday (I Will Understand) - August 18, 2005 (International-Only)
B in the Mix: The Remixes - November 22, 2005
- And Then We Kiss (Junkie XL Remix) - October 31, 2005 (Oceania-Only)
Blackout - October 30, 2007
- Gimme More - August 31, 2007
- Piece of Me - November 27, 2007
- Break the Ice - March 04, 2008
Circus - November 28, 2008
- Womanizer - October 03, 2008
- Circus - December 02, 2008
- If U Seek Amy - March 10, 2009
- Radar - June 22, 2009
- Kill the Lights - July 27, 2009 (Digital-Only)
- Unusual You - September 15, 2009 (Oceania-Only)
The Singles Collection - November 10, 2009
- 3 - October 06, 2009
Femme Fatale - March 25, 2011
- Hold It Against Me - January 10, 2011
- Till The World Ends - March 04, 2011
- I Wanna Go - June 13, 2011
- Criminal - September 30, 2011
Britney Jean - November 29, 2013
- Work Bitch - September 17, 2013
- Perfume - November 04, 2013
Glory - August 26, 2016
- Make Me... (feat. G-Eazy) - July 15, 2016
- Slumber Party (feat. Tinashe) - November 16, 2016
- Mood Ring (By Demand) - July 10, 2020
- Swimming in the Stars - December 02, 2020
- Matches (feat. Backstreet Boys) - December 18, 2020
Non-Album Singles
- My Only Wish (This Year) - November 14, 2000 (Original Release), October 28, 2020 (Re-release)
- What's Going On - October 30, 2001; Artists Against Aids Worldwide (All-Star Tribute)
- Mona Lisa - December 30, 2004 (Radio-Only)
- S&M (Remix) - April 11, 2011; Rihanna
- Scream & Shout - November 20, 2012; will.i.am
- Scream & Shout (Hit-Boy Remix) - January 29, 2013; will.i.am
- Ooh La La - June 17, 2013
- Pretty Girls - May 04, 2015
- Tom's Diner - October 09, 2015; Giorgio Moroder
- Hands - July 06, 2016; Various Artists