| Kaeng Sopha Waterfall | |
| Location: | Thung Salaeng Luang National Park, Phitsanulok Province, Thailand |
| Coords: | 16.8711°N 100.8353°W |
| Type: | Tiered |
| Number Drops: | 3 |
| Watercourse: | Wang Thong River |
Namtok Kaeng Sopha (Thai: น้ำตกแก่งโสภา) is a waterfall in Wang Thong District, Phitsanulok Province, Thailand.[1] It is in Thung Salaeng Luang National Park on the Wang Thong River off of Lomsak Road (Highway 12). It is the largest waterfall in Phitsanulok. Kaeng Sopha is a tiered waterfall shaped like a stairway. Kaeng Sopha is the subject of a June 2007 postage stamp in Thailand in the Thailand Waterfall series.