| Official Name: | Mappi Regency |
| Native Name: | Indonesian: Kabupaten Mappi |
| Type: | Regency |
| Motto: | Usubi Yohokuda - Tako Bayaman (Peace in One Heart - Serving Each Other) |
| Coordinates: | -6.4997°N 139.3444°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Indonesia |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Papua |
| Seat Type: | Capital |
| Seat: | Kepi |
| Leader Title: | Regent |
| Leader Name: | Kristosimus Agawemu |
| Leader Title1: | Vice Regent |
| Leader Name1: | Ibnu Jaya Suud |
| Area Total Km2: | 25609.94 |
| Population As Of: | mid 2023 estimate |
| Population Total: | 110291 |
| Population Density Km2: | auto |
| Population Footnotes: | [1] |
| Timezone1: | Indonesia Eastern Time |
| Utc Offset1: | +9 |
| Area Code Type: | Area code |
| Area Code: | (+62) 411 |
| Pushpin Map: | Indonesia_Western New Guinea#Indonesia |
| Pushpin Map Caption: | Location in Western New Guinea and Indonesia |
Mappi Regency is a regency (kabupaten) in the Indonesian province of South Papua. It was split off from Merauke Regency (of which it had been a component part) on 12 November 2002. It covers an area of 25,609.94 km2, and had a population of 81,658 at the 2010 Census[2] and 108,295 at the 2020 Census;[3] the official estimate as at mid 2023 was 110,291 (comprising 56,873 males and 53,418 females).[4] The administrative centre is the town of Kepi.
Mappi Regency in 2010 comprised ten districts (distrik). However, by 2015 the number of districts had been increased to fifteen; the five additional districts that had been created since 2010 were Bamgi, Passue Bawah, Syahcame, Ti Zain and Yakomi.
The districts are listed below with their areas and their populations at the 2010 Census[5] and that of 2020,[6] together with the official estimates as at mid 2023.[7] The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 162 rural kampung and 2 urban kelurahan - the latter being the towns of Kepi in Obaa District, and Bade in Edera District), and its post code.
| Kode Wilayah | Name of District (distrik)! | Area in km2 | Pop'n 2010 Census | Pop'n 2020 Census | Pop'n mid 2023 estimate | Admin centre | No. of villages | Post code | |
|---|---|---|---|---|---|---|---|---|---|
| 93.03.02 | Nambioman Bapai | 5,074.46 | 7,904 | 9,294 | 10,050 | Mur | 15 | 99873 | |
| 93.03.09 | Minyamur | 2,433.81 | 4,310 | 5,531 | 5,450 | Kabe | 12 | 99872 | |
| 93.03.04 | Edera | 1,392.69 | 12,191 | 8,906 | 8,390 | Bade | 7 | 99852 | |
| 93.03.10 | Venaha | 1,705.34 | 3,849 | 2,573 | 2,470 | Sahapikia | 8 | 99854 | |
| 93.03.11 | Syahcame | 626.75 | (a) | 2,856 | 3,960 | Asset | 6 | 99853 | |
| 93.03.13 | Bamgi | 747.28 | (a) | 2,628 | 2,420 | Yeloba | 5 | 99851 | |
| 93.03.12 | Yakomi | 1,843.03 | (a) | 2,090 | 1,920 | Yame | 7 | 99855 | |
| 93.03.01 | Obaa | 2,224.21 | 19,454 | 34,956 | 34,360 | Kepi (b) | 24 | 99870 | |
| 93.03.08 | Passue | 1,440.39 | 5,100 | 6,741 | 7,000 | Kotiak | 13 | 99871 | |
| 93.03.05 | Haju | 1,180.85 | 8,774 | 9,724 | 10,680 | Yagatsu | 19 | 99881 | |
| 93.03.06 | Assue | 2,422.93 | 8,887 | 10,549 | 10,200 | Eci | 18 | 99874 | |
| 93.03.03 | Citak Mitak | 1,244.82 | 7,211 | 5,279 | 5,480 | Senggo | 7 | 99875 | |
| 93.03.07 | Kaibar | 1,499.03 | 3,978 | 2,310 | 2,530 | Amazu | 7 | 99876 | |
| 93.03.14 | Passue Bawah | 1,190.40 | (a) | 2,829 | 2,980 | Wonggi | 8 | 99877 | |
| 93.03.15 | Ti Zain | 583.95 | (a) | 2,029 | 2,410 | Kumaban | 8 | 99878 | |
| Totals | 25,609.94 | 81,658 | 108,295 | 110,291 | Kepi | 164 |
Note: (a) the 2010 populations of these areas were included in the figures for the original districts from which they were cut out.
(b) the town of Kepi covered 13.6 km2 with 8,394 inhabitants at the 2020 Census.[8]