| Official Name: | Lagarto |
| Nickname: | Tenderness city |
| Settlement Type: | City |
| Pushpin Map: | Brazil |
| Pushpin Map Caption: | Location in Brazil |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Northeast |
| Subdivision Type2: | State |
| Subdivision Name2: | Sergipe |
| Subdivision Type3: | Mesoregion |
| Subdivision Name3: | Agreste Sergipano |
| Subdivision Type4: | Microregion |
| Subdivision Name4: | Agreste de Lagarto |
| Leader Title: | Mayor |
| Leader Name: | Jose Valmir Monteiro |
| Established Title: | Settled |
| Established Date: | 1689 |
| Unit Pref: | Imperial |
| Area Total Km2: | 969 |
| Area Footnotes: | [1] |
| Population As Of: | 2020 [2] |
| Population Total: | 105,221 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -10.9169°N -37.65°W |
| Elevation M: | 183 |
| Blank Name: | HDI (2010)[3] |
| Blank Info: | 0.625 |
| Website: | Official Website |
Lagarto is a municipality located in the Brazilian state of Sergipe. Its population is estimated at 101,579 inhabitants (2022) and its area is 969 km2.[4]
Football player Diego Costa was born and raised in Lagarto. The city has one football team called Lagarto Futebol Clube who were founded in 2009 and currently play in the Campeonato Sergipano.