| Disputed: | No |
| Thunder Knoll | |
| Type: | ocean bank |
| Other Names: | Placer de Thunder Knoll |
| Pushpin Map: | Caribbean#Colombia San Andrés y Providencia#Colombia |
| Location: | Caribbean Sea |
Thunder Knoll 16.45°N -100°W is a reef knoll about 18 km in extent and composed of coral sand. It lies approximately 6 km west of the north part of Rosalind Bank. Depths over this bank range from 11 to 27 m.