| Official Name: | Pa Daeng |
| Native Name: | ป่าแดง |
| Settlement Type: | Tambon |
| Subdivision Type: | District |
| Subdivision Name: | Chat Trakan |
| Subdivision Type2: | Province |
| Subdivision Name2: | Phitsanulok |
| Subdivision Type3: | Country |
| Subdivision Name3: | Thailand |
| Population As Of: | 2005 |
| Population Total: | 7,774 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Postal Code Type: | Postal code |
| Postal Code: | 65170 |
| Blank Name: | Geocode |
| Blank Info: | 650301 |
Pa Daeng (Thai: ป่าแดง) is a sub-district in the Chat Trakan District of Phitsanulok Province, Thailand. The literal translation of the name is 'red forest', but the term refers to a forest of trees shedding their leaves.[1]
Pa Daeng lies in the Nan Basin, which is part of the Chao Phraya Watershed.
The following is a list of the subdistrict's muban, which roughly correspond to villages:
| No. | English | Thai | |
| 1 | Ban Pa Daeng | บ้านป่าแดง | |
| 2 | Ban Na | บ้านนา | |
| 3 | Ban Thanoo Thong | บ้านธนูทอง | |
| 4 | Ban Sai Ngam | บ้านไทรงาม | |
| 5 | Ban Sri Songkhram | บ้านศรีสงคราม | |
| 6 | Ban Rom Yen | บ้านร่มเย็น | |
| 7 | Ban Nam Pak Noi | บ้านน้ำภาคน้อย | |
| 8 | Ban Na Mueang | บ้านนาเมือง | |
| 9 | Ban Huai Noen | บ้านห้วยเหิน | |
| 10 | Ban Na Lom | บ้านนาล้อม | |
| 11 | Ban Huan Tha Nuea | บ้านห้วนท่าเนื้อ | |
| 12 | Ban Mai Thai Jayrin | บ้านใหม่ไทยเจริญ |
The following is a list of active Buddhist temples in Pa Daeng: