| Top 40 Hits of March 1999 |
| 1 |
Boyzone | When The Going Gets Tough |
| 2 |
Britney Spears | Baby One More Time |
| 3 |
Vengaboys | We Like To Party! (The Vengabus) |
| 4 |
B*Witched | Blame It On The Weatherman |
| 5 |
Steps | Better Best Forgotten |
| 6 |
Whitney Houston | It's Not Right But It's Okay |
| 7 |
Mr Oizo | Flat Beat |
| 8 |
George Michael & Mary J Blige | As |
| 9 |
Blur | Tender |
| 10 |
Cher | Strong Enough |
| 11 |
Cartoons | Witch Doctor |
| 12 |
Manic Street Preachers | You Stole The Sun From My Heart |
| 13 |
Corrs | Runaway |
| 14 |
Robbie Williams | Strong |
| 15 |
Madonna | Nothing Really Matters |
| 16 |
2Pac | Changes |
| 17 |
Billie | Honey To The Bee |
| 18 |
Stereophonics | Just Looking |
| 19 |
Steps | Heartbeat / Tragedy |
| 20 |
Blondie | Maria |
| 21 |
Kele Le Roc | My Love |
| 22 |
Lenny Kravitz | Fly Away |
| 23 |
Roxette | Wish I Could Fly |
| 24 |
Andy Williams | Music To Watch Girls By |
| 25 |
New Radicals | You Get What You Give |
| 26 |
Shawn Mullins | Lullaby |
| 27 |
Travis | Writing To Reach You |
| 28 |
Cardigans | Erase / Rewind |
| 29 |
Beautiful South | How Long's A Tear Take To Dry? |
| 30 |
E17 | Betcha Can't Wait |
| 31 |
TLC | No Scrubs |
| 32 |
DJ Sakin & Friends | Protect Your Mind (For The Love Of A Princess) |
| 33 |
Ginuwine | What's So Different? |
| 34 |
REM | At My Most Beautiful |
| 35 |
Underworld | Push Upstairs |
| 36 |
Orbital | Style |
| 37 |
Tina Cousins | Killin' Time |
| 38 |
Des'ree | You Gotta Be |
| 39 |
Armand Van Helden featuring Duane Harden | You Don't Know Me |
| 40 |
Skunk Anansie | Charlie Big Potato |
