| Official Name: | Supiori Regency |
| Native Name: | Kabupaten Supiori |
| Native Name Lang: | id |
| Type: | Regency |
| Motto: | Kovawes Kuker Araima |
| Coordinates: | -0.7333°N 170°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Indonesia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Papua |
| Seat Type: | Capital |
| Seat: | Sorendiweri |
| Leader Title: | Regent |
| Leader Name: | Jules F. Waikar |
| Leader Title1: | Vice Regent |
| Leader Name1: | Onesias Rumere |
| Area Total Km2: | 634.24 |
| Population As Of: | mid 2023 estimate |
| Population Total: | 24013 |
| Population Density Km2: | auto |
| Population Footnotes: | [1] |
| Timezone1: | Indonesia Eastern Time |
| Utc Offset1: | +9 |
| Area Code Type: | Area code |
| Area Code: | (+62) 981 |
| Pushpin Map: | Indonesia_Western New Guinea#Indonesia |
| Pushpin Map Caption: | Location in Indonesian Papua##Location in Indonesia |
Supiori Regency (id|Kabupaten Supiori) is a regency in the Indonesian province of Papua. The Regency has an area of 634.24 km2 including the Aruri Islands group to the south, and had a population of 15,874 at the 2010 Census[2] and 22,547 at the 2020 Census;[3] the official estimate as at mid 2023 was 24,013 - comprising 12,434 males and 11,579 females.[4] Until 8 January 2004, this area was part of the Biak Numfor Regency, from which it was split off in accordance with the Law (Undang-Undang RI No.35 Tahun 2003) dated 18 December 2003.
It comprises mainly the island of Supiori, one of the Biak Islands within Cenderawasih Bay off the north coast of Papua province (the rest of the Schouten Islands comprise the separate Biak Numfor Regency); the island is connected to Biak Island by a bridge. The Supiori Regency also includes the Aruri Islands to the south of Supiori, comprising the small coral islands Aruri (Insumbabi) and Rani Island as well as over a hundred smaller islets. Its West Supiori District also includes Mapia Atoll to the northwest, approximately 290 kilometers north of the city of Manokwari.
The existing regency comprises five districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census[5] and the 2020 Census,[6] together with the official estimates as at mid 2023.[7] The table also includes the administrative centre of each district, the number of administrative villages (all classed as kampung) and of minor islands within each 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 | No. of islands | Post code | |
|---|---|---|---|---|---|---|---|---|---|---|
| 91.19.01 | Supiori Selatan (South Supiori) | 87.60 | 2,743 | 3,329 | 3,367 | Maryaidori | 7 | 15 | 98572 | |
| 91.19.04 | Kepulauan Aruri (Aruri Islands) (a) | 119.75 | 4,420 | 5,499 | 5,603 | Mbruawandi | 9 | 111 | 98571 | |
| 91.19.02 | Supiori Utara (North Supiori) | 79.83 | 1,644 | 2,433 | 2,606 | Fanjur | 5 | 2 (b) | 98582 | |
| 91.19.05 | Supiori Barat (West Supiori) | 150.80 | 2,147 | 2,516 | 2,518 | Waryei | 7 | 31 | 98581 | |
| 91.19.03 | Supiori Timur (East Supiori) | 196.26 | 4,920 | 8,770 | 9,918 | Sorendidori | 10 | 9 | 98573 | |
| Totals | 634.24 | 15,874 | 22,547 | 24,013 | 38 | 168 |
Notes: (a) includes the southwestern portion of Supiori Island, as well as the 111 minor islands. (b) the offshore islands of Pulau Ayami and Pulau Miosfuar.
Sorendiweri, the seat of the regency has a tropical rainforest climate (Af) with heavy rainfall year-round.