| Official Name: | North Kolaka Regency |
| Native Name: | Kabupaten Kolaka Utara |
| Native Name Lang: | id |
| Type: | Regency |
| Coordinates: | -3.3372°N 121.0439°W |
| Subdivision Type: | Country |
| Subdivision Name: | Indonesia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Southeast Sulawesi |
| Established Title: | Anniversary |
| Established Date: | 7 January 2004 |
| Seat Type: | Capital |
| Seat: | Lasusua |
| Leader Title: | Regent |
| Leader Name: | Nur Rahman Umar |
| Leader Title1: | Vice Regent |
| Leader Name1: | Abass |
| Area Total Km2: | 2932 |
| Population As Of: | mid 2023 estimate |
| Population Total: | 149488 |
| Population Density Km2: | auto |
| Population Footnotes: | [1] |
| Timezone1: | ICST |
| Utc Offset1: | +8 |
| Pushpin Map: | Indonesia_Sulawesi#Indonesia |
| Pushpin Map Caption: | Location in Sulawesi and Indonesia |
| Pushpin Label Position: | right |
| Postal Code Type: | Postcode |
| Area Code Type: | Area code |
| Area Code: | (+62) 405 |
North Kolaka Regency is a regency in the northwest part of Southeast Sulawesi province of Indonesia. It was created on 18 December 2003 from the former northern districts of Kolaka Regency. It covers an area of 2,932 km2,[2] and had a population of 121,476 at the 2010 Census,[3] and 137,700 at the 2020 Census;[4] the official estimate as at mid 2023 was 140,488 - comprising 71,995 males and 68,493 females.[5] The principal town lies at Lasusua.
The North Kolaka Regency is divided into fifteen districts (kecamatan), tabulated below from south to north, with their areas (as given by the regency BPS) and their populations at the 2010 Census[6] and the 2020 Census,[7] together with the official estimates as at mid 2023.[8] The table also includes the location of the district administrative centres and the number of villages in each district (totalling 133 - comprising 127 rural desa and 6 urban kelurahan).
| Kode Wilayah | Name of District (kecamatan) | Area in km2 | Pop'n Census 2010 | Pop'n Census 2020 | Pop'n Estimate mid 2023 | Admin centre | No. of villages | |
|---|---|---|---|---|---|---|---|---|
| 74.08.07 | Wawo | 260.96 | 5,615 | 6,805 | 6,957 | Wawo | 7 | |
| 74.08.08 | Lambai | 97.97 | 5,308 | 6,370 | 7,006 | Lambai | 7 | |
| 74.08.04 | Rante Angin | 83.35 | 5,301 | 5,951 | 6,060 | Rante Angin | 7 * | |
| 74.08.01 | Lasusua | 269.32 | 21,756 | 27,249 | 28,240 | Lasusua | 12 * | |
| 74.08.13 | Katoi | 144.49 | 5,763 | 6,930 | 7,207 | Katoi | 6 | |
| 74.08.05 | Kodeoha | 137.26 | 10,644 | 11,259 | 11,212 | Mala-Mala | 12 * | |
| 74.08.14 | Tiwu | 35.47 | 4,042 | 4,553 | 4,700 | Tiwu | 7 | |
| 74.08.06 | 222.71 | 17,355 | 17,284 | 16,613 | Lapai | 12 * | ||
| 74.08.09 | Watunohu | 33.40 | 6,212 | 6,713 | 7,025 | Watunohu | 8 | |
| 74.08.02 | Pakue | 150.68 | 9,345 | 10,301 | 10,558 | Olo-Oloho | 11 * | |
| 74.08.10 | Pakue Tengah (Central Pakue) | 174.47 | 6,132 | 7,489 | 7,532 | Latali | 10 | |
| 74.08.11 | Pakue Utara (North Pakue) | 223.80 | 6,966 | 8,048 | 8,019 | Pakue | 9 | |
| 74.08.03 | Batu Putih | 236.56 | 7,372 | 8,512 | 8,841 | Batu Putih | 11 * | |
| 74.08.12 | Porehu | 571.60 | 6,936 | 6,704 | 6,578 | Porehu | 8 | |
| 74.08.15 | Tolala | 282.42 | 2,593 | 3,491 | 3,940 | Tolala | 6 | |
| Totals | 2,924.46 | 121,476 | 137,659 | 140,488 | Lasusua | 133 |
Note that an asterisk in the final column indicates the number includes one kelurahan (in each case with the same name as the district administrative centre).
Lasusua, the seat of the regency has a tropical rainforest climate (Af) with moderate rainfall in October and November and heavy to very heavy rainfall in the remaining months.