| Khao Ok Thalu | |
| Elevation M: | 177 |
| Map: | Thailand |
| Map Size: | 200 |
| Label Position: | right |
| Listing: | List of mountains in Thailand |
| Location: | Phatthalung, Thailand |
| Range: | Tenasserim Hills |
| Coordinates: | 7.625°N 100.0917°W |
| Type: | karstic |
| Easiest Route: | drive |
Khao Ok Thalu (Thai: เขาอกทะลุ) or Phukhao Ok Thalu (Thai: ภูเขาอกทะลุ), is a mountain in Phatthalung Province, Thailand. It is a karstic formation.
This mountain is east of the Phatthalung railway station. It can be accessed from Wat Khuha Sawan via Highway 4047. There is a flight of stairs leading to the mountaintop where there is a Buddhist shrine overlooking the city of Phatthalung. The mountain is named after a hole near the top.
Khao Ok Thalu is an unusually-shaped mountain, clearly visible from afar. It has symbolic significance in Phatthalung[1] and appears in somewhat stylized form on the provincial seal of PhatThalung.