Jacksonville Beach
- Country: United States
- State: Florida
- Population: 23,387 (2016)
- Latitude: 30° 17.7' N (30.29469°)
- Longitude: 81° 23.6' W (-81.39314°)
- Elevation: 3 m/10 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Pablo Beach