| Club: | Lazio |
| Season: | 2001–02 |
| Owner: | Sergio Cragnotti |
| Chairman: | Sergio Cragnotti |
| Chrtitle: | President |
| Manager: | Dino Zoff (until 23 September 2001) Alberto Zaccheroni |
| Stadium: | Olimpico |
| League: | Serie A |
| League Result: | 6th (in UEFA Cup) |
| Cup1: | Coppa Italia |
| Cup1 Result: | Quarter-finals |
| Cup2: | UEFA Champions League |
| Cup2 Result: | First group stage |
| League Topscorer: | Hernán Crespo (13) |
| Season Topscorer: | Hernán Crespo (20) |
| Pattern La1: | _lazio0102h |
| Pattern B1: | _lazio0102h |
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| Pattern La2: | _lazio0102a |
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| Prevseason: | 2000–01 |
| Nextseason: | 2002–03 |
The 2001–02 season was the 102nd season in Società Sportiva Lazio's history and their 14th consecutive season in the top-flight of Italian football.
Squad at end of season[1]
| In | |||||||
|---|---|---|---|---|---|---|---|
| width=3% | Pos. | width=32% | Name | width=30% | from | width=35% | Type |
| MF | €48.00 million | ||||||
| DF | €25.75 million | ||||||
| FW | €15.00 million | ||||||
| DF | |||||||
| MF | |||||||
| DF | Monza | ||||||
| FW | Turris | ||||||
| MF | loan ended | ||||||
| MF | loan ended | ||||||
| GK | Arezzo | loan ended | |||||
| MF | loan ended | ||||||
| MF | Treviso | loan | |||||
| Out | |||||||
|---|---|---|---|---|---|---|---|
| width=3% | Pos. | width=32% | Name | width=30% | To | width=35% | Type |
| MF | €45.00 million | ||||||
| MF | €42.60 million | ||||||
| FW | €25.00 million | ||||||
| DF | |||||||
| MF | Andrea Luciani | Salernitana | |||||
| FW | co-ownership | ||||||
| FW | end of contract | ||||||
| GK | loan ended | ||||||
| FW | Daniele Ruggiu | Cittadella | loan | ||||
| DF | loan | ||||||
| DF | loan | ||||||
| MF | loan | ||||||
| In | |||||||
|---|---|---|---|---|---|---|---|
| width=3% | Pos. | width=32% | Name | width=30% | from | width=35% | Type |
| DF | loan ended | ||||||
| Out | |||||||
|---|---|---|---|---|---|---|---|
| width=3% | Pos. | width=32% | Name | width=30% | To | width=35% | Type |
| DF | L'Aquila | loan | |||||
| FW | co-ownership | ||||||
See main article: 2001–02 Serie A.
See main article: 2001–02 Coppa Italia.
See main article: 2001–02 UEFA Champions League.
See main article: 2001–02 UEFA Champions League qualifying rounds.
See main article: 2001–02 UEFA Champions League first group stage.
|-! colspan=14 style=background:#dcdcdc; text-align:center| Players transferred out during the season