| Club: | Lazio |
| Season: | 2013–14 |
| Manager: | Vladimir Petković (until 4 January 2014) Edoardo Reja (from 4 January 2014) |
| Chairman: | Claudio Lotito |
| Stadium: | Stadio Olimpico |
| League: | Serie A |
| League Result: | 9th |
| Cup1: | Coppa Italia |
| Cup1 Result: | Quarter-finals |
| Cup2: | UEFA Europa League |
| Cup2 Result: | Round of 32 |
| League Topscorer: | Antonio Candreva (12) |
| Season Topscorer: | Antonio Candreva (12) |
| Highest Attendance: | 36,585 vs Cagliari |
| Lowest Attendance: | 24,858 vs Udinese |
| Average Attendance: | 30,084 |
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| Prevseason: | 2012–13 |
| Nextseason: | 2014–15 |
The 2013–14 season was the 114th season in Società Sportiva Lazio's history and their 26th consecutive season in the top-flight of Italian football.
See main article: 2013 Supercoppa Italiana. Lazio, as holders of the Coppa Italia trophy faced Juventus, the 2012–13 Serie A champions.
See main article: 2013–14 Serie A.
See main article: 2013–14 Coppa Italia. By finishing in the top 8 places in the 2012–13 Serie A, Lazio qualified directly to the Round of 16.
See main article: 2013–14 UEFA Europa League.
See main article: 2013–14 UEFA Europa League knockout phase.