| Native Name: | |
| Official Name: | Hpapun Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | Karen State |
| Subdivision Type2: | District |
| Subdivision Name2: | Hpapun District |
| Subdivision Type3: | Capital |
| Subdivision Name3: | Hpapun |
| Unit Pref: | Imperial |
| Population: | 35,085 |
| Population As Of: | 2014 |
| Population Density Km2: | auto |
| Timezone: | MST |
| Utc Offset: | +6:30 |
Hpapun Township (Burmese: ဖာပွန်မြို့နယ်, MLCTS: hpa.pwan.mrui.nay; ဖာပံင်ကၞင့်; ဖးဖူကီၢ်ဆၣ်; also known by the Karen people as Mutraw or Bu Tho Township) is a township of Hpapun District in the Karen State of Myanmar. It lies on the border of Thailand across the Salween River. The central part of the township is bounded on the west by the Yunzalin River. Hpapun Township's administrative center is Papun.