Kejohanan Liga Juara-Juara UEFA 1998-1999 merupakan edisi ke-52 kejohanan bola sepak kelab Eropah dan edisi ke-7 di bawah format Liga Juara-Juara UEFA terkini. Kejohanan musim ini dimenangi oleh kelab Inggeris Manchester United.
Pusingan Kelayakan
Pusingan Pertama
| Pasukan #1 | Agr. | Pasukan #2 | Tempat sendiri | Tempat lawan |
|---|---|---|---|---|
Sileks 
|
1–2 |  Club Brugge
|
0–0 | 1–2 |
ŁKS Łódź 
|
7–2 |  Gäncä
|
4–1 | 3–1 |
Litex Lovech 
|
3–2 |  Halmstad
|
2–0 | 1–2 |
Grasshopper 
|
8–0 |  Jeunesse Esch
|
6–0 | 2–0 |
Celtic 
|
2–0 |  St Patrick's Athletic
|
0–0 | 2–0 |
FK Kareda Šiauliai 
|
0–4 |  Branik Maribor
|
0–3 | 0–1 |
Dynamo Kyiv 
|
10–1 |  Barry Town
|
8–0 | 2–1 |
Cliftonville 
|
1–13 |  Košice
|
1–5 | 0–8 |
Skonto 
|
2–1 |  Dinamo Minsk
|
0–0 | 2–1 |
Valletta 
|
0–8 |  Anorthosis Famagusta
|
0–2 | 0–6 |
Beitar Jerusalem 
|
5–1 |  B36 Tórshavn
|
4–1 | 1–0 |
Dinamo Tbilisi 
|
4–3 |  Vllaznia Shkodër
|
3–0 1 | 1–3 |
HJK Helsinki 
|
5–0 |  FC Yerevan
|
2–0 | 3–0 |
FK Obilić 
|
4–1 |  ÍBV
|
2–0 | 2–1 |
Zimbru Chişinău 
|
2–3 |  Újpest
|
1–0 | 1–3 |
Steaua București 
|
5–4 |  FC Flora
|
4–1 | 1–3 |
Pusingan Kedua
| Pasukan #1 | Agr. | Pasukan #2 | Tempat sendiri | Tempat lawan |
|---|---|---|---|---|
Rosenborg 
|
(a)4–4 | Club Brugge
|
2–0 | 2–4 |
Manchester United 
|
2–0 | ŁKS Łódź
|
2–0 | 0–0 |
| Litex Lovech
|
2–11 |  Spartak Moscow
|
0–51 | 2–6 |
Galatasaray 
|
5–3 | Grasshopper
|
2–1 | 3–2 |
| Celtic
|
1–3 |  Croatia Zagreb
|
1–0 | 0–3 |
| Branik Maribor
|
3–5 |  PSV Eindhoven
|
2–1 | 1–4(aet) |
| Dynamo Kyiv
|
(p)1–1 |  Sparta Prague
|
0–1 | 1–0(aet) |
| Košice
|
1–2 |  Brøndby
|
0–2 | 1–0 |
Internazionale 
|
7–1 | Skonto
|
4–0 | 3–1 |
Olympiacos 
|
6–3 | Anorthosis Famagusta
|
2–1 | 4–2 |
Benfica 
|
8–4 | Beitar Jerusalem
|
6–0 | 2–4 |
| Dinamo Tbilisi
|
2–2(a) |  Athletic Bilbao
|
2–1 | 0–1 |
| HJK Helsinki
|
2–1 |  Metz
|
1–0 | 1–1 |
Bayern Munich 
|
5–1 | FK Obilić
|
4–0 | 1–12 |
Sturm Graz 
|
7–2 | Újpest
|
4–0 | 3–2 |
| Steaua București
|
5–8 | Panathinaikos
|
2–2 | 3–6 |
Peringkat Kumpulan
Kumpulan A
| Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|
| Olympiacos
|
6 | 3 | 2 | 1 | 8 | 6 | +2 | 11 |
| Croatia Zagreb
|
6 | 2 | 2 | 2 | 5 | 7 | −2 | 8 |
| Porto
|
6 | 2 | 1 | 3 | 11 | 9 | +2 | 7 |
| Ajax
|
6 | 2 | 1 | 3 | 4 | 6 | −2 | 7 |
Kumpulan B
| Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|
| Juventus
|
6 | 1 | 5 | 0 | 7 | 5 | +2 | 8 |
| Galatasaray
|
6 | 2 | 2 | 2 | 8 | 8 | 0 | 8 |
| Rosenborg
|
6 | 2 | 2 | 2 | 7 | 8 | −1 | 8 |
| Athletic Bilbao
|
6 | 1 | 3 | 2 | 5 | 6 | −1 | 6 |
Kumpulan C
| Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|
| Internazionale
|
6 | 4 | 1 | 1 | 9 | 5 | +4 | 13 |
| Real Madrid
|
6 | 4 | 0 | 2 | 17 | 8 | +9 | 12 |
| Spartak Moscow
|
6 | 2 | 2 | 2 | 7 | 6 | +1 | 8 |
| Sturm Graz
|
6 | 0 | 1 | 5 | 2 | 16 | −14 | 1 |
Kumpulan D
| Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|
| Bayern Munich
|
6 | 3 | 2 | 1 | 9 | 6 | +3 | 11 |
| Manchester United
|
6 | 2 | 4 | 0 | 20 | 11 | +9 | 10 |
| Barcelona
|
6 | 2 | 2 | 2 | 11 | 9 | +2 | 8 |
| Brøndby
|
6 | 1 | 0 | 5 | 4 | 18 | −14 | 3 |
Kumpulan E
| Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|
| Dynamo Kyiv
|
6 | 3 | 2 | 1 | 11 | 7 | +4 | 11 |
| Lens
|
6 | 2 | 2 | 2 | 5 | 6 | −1 | 8 |
| Arsenal
|
6 | 2 | 2 | 2 | 8 | 8 | 0 | 8 |
| Panathinaikos
|
6 | 2 | 0 | 4 | 6 | 9 | −3 | 6 |
Group F
| Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|
| Kaiserslautern
|
6 | 4 | 1 | 1 | 12 | 6 | +6 | 13 |
| Benfica
|
6 | 2 | 2 | 2 | 8 | 9 | −1 | 8 |
| PSV Eindhoven
|
6 | 2 | 1 | 3 | 10 | 11 | −1 | 7 |
| HJK Helsinki
|
6 | 1 | 2 | 3 | 8 | 12 | −4 | 5 |
Peringkat Kalah Mati
| Quarter-finals | Semi-finals | Final | ||||||||||||
| Manchester United
|
2 | 1 | 3 | |||||||||||
| Internazionale
|
0 | 1 | 1 | |||||||||||
| Manchester United
|
1 | 3 | 4 | |||||||||||
| Juventus
|
1 | 2 | 3 | |||||||||||
| Juventus
|
2 | 1 | 3 | |||||||||||
| Olympiacos
|
1 | 1 | 2 | |||||||||||
| Manchester United
|
2 | |||||||||||||
| Bayern Munich
|
1 | |||||||||||||
| Real Madrid
|
1 | 0 | 1 | |||||||||||
| Dynamo Kyiv
|
1 | 2 | 3 | |||||||||||
| Dynamo Kyiv
|
3 | 0 | 3 | |||||||||||
| Bayern Munich
|
3 | 1 | 4 | |||||||||||
| Bayern Munich
|
2 | 4 | 6 | |||||||||||
| Kaiserslautern
|
0 | 0 | 0 | |||||||||||
Kelab Bola sepak Antarabangsa | ||
|---|---|---|
| Amerika Selatan |  | |
| Amerika Utara, Amerika Tengah dan Caribbean | ||
| Afrika | ||
| Asia | ||
| Eropah | ||
| Oceania | ||