Nummer 1-hits in de UK Singles Chart in 1999
Deze hits stonden in 1999 op nummer 1 in de UK Singles Chart:
| Datum | Artiest | Titel |
| 2 januari | Chef | Chocolate salty balls (PS I love you) |
| 9 januari | Steps | Heartbeat / Tragedy |
| 16 januari | Fatboy Slim | Praise you |
| 23 januari | 911 | A little bit more |
| 30 januari | The Offspring | Pretty Fly (for a White Guy) |
| 6 februari | Armand van Helden & Duane Harden | You don't know me |
| 13 februari | Blondie | Maria |
| 20 februari | Lenny Kravitz | Fly away |
| 27 februari | Britney Spears | ...Baby one more time |
| 6 maart | Britney Spears | ...Baby one more time |
| 13 maart | Boyzone | When the going gets tough |
| 20 maart | Boyzone | When the going gets tough |
| 27 maart | B*Witched | Blame it on the weatherman |
| 3 april | Mr. Oizo | Flat beat |
| 10 april | Mr. Oizo | Flat beat |
| 17 april | Martine McCutcheon | Perfect moment |
| 24 april | Martine McCutcheon | Perfect moment |
| 1 mei | Westlife | Swear it again |
| 8 mei | Westlife | Swear it again |
| 15 mei | Backstreet Boys | I want it that way |
| 22 mei | Boyzone | You needed me |
| 29 mei | Shanks & Bigfoot | Sweet like chocolate |
| 5 juni | Shanks & Bigfoot | Sweet like chocolate |
| 12 juni | Baz Luhrmann | Everybody's free (to wear sunscreen) - The sunscreen song (Class of '99) |
| 19 juni | S Club 7 | Bring it all back |
| 26 juni | Vengaboys | Boom boom boom boom |
| 3 juli | ATB | 9PM (Till I come) |
| 10 juli | ATB | 9PM (Till I come) |
| 17 juli | Ricky Martin | Livin' la vida loca |
| 24 juli | Ricky Martin | Livin' la vida loca |
| 31 juli | Ricky Martin | Livin' la vida loca |
| 7 augustus | Ronan Keating | When you say nothing at all |
| 14 augustus | Ronan Keating | When you say nothing at all |
| 21 augustus | Westlife | If I let you go |
| 28 augustus | Geri Halliwell | Mi chico latino |
| 4 september | Lou Bega | Mambo no. 5 (A little bit of...) |
| 11 september | Lou Bega | Mambo no. 5 (A little bit of...) |
| 18 september | Vengaboys | We're going to Ibiza |
| 25 september | Eiffel 65 | Blue (Da ba dee) |
| 2 oktober | Eiffel 65 | Blue (Da ba dee) |
| 9 oktober | Eiffel 65 | Blue (Da ba dee) |
| 16 oktober | Christina Aguilera | Genie in a bottle |
| 23 oktober | Christina Aguilera | Genie in a bottle |
| 30 oktober | Westlife | Flying without wings |
| 6 november | Five | Keep on movin' |
| 13 november | Geri Halliwell | Lift me up |
| 20 november | Robbie Williams | It's only us / She's the one |
| 27 november | Wamdue Project | King of my castle |
| 4 december | Cliff Richard | The millennium prayer |
| 11 december | Cliff Richard | The millennium prayer |
| 18 december | Cliff Richard | The millennium prayer |
| 25 december | Westlife | I have a dream / Seasons in the sun |
|
Lijst van nummer 1-hits in het Verenigd Koninkrijk |
|
1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 |
