| Official Name: | South Solok Regency |
| Native Name: | Kabupaten Solok Selatan |
| Native Name Lang: | id |
| Type: | Regency |
| Coordinates: | -1.2333°N 101.417°W |
| Subdivision Type: | Country |
| Subdivision Name: | Indonesia |
| Subdivision Type1: | Province |
| Subdivision Name1: | West Sumatra |
| Seat Type: | Regency seat |
| Seat: | Padang Aro |
| Leader Title: | Regent |
| Leader Name: | Muzni Zakaria |
| Area Total Km2: | 3282.14 |
| Population As Of: | mid 2023 estimate |
| Population Total: | 191540 |
| Population Density Km2: | auto |
| Population Footnotes: | [1] |
| Timezone1: | IWST |
| Utc Offset1: | +7 |
| Area Code: | (+62) 755 |
| Pushpin Map: | Indonesia_Sumatra#Indonesia |
| Pushpin Map Caption: | Location in Sumatra and Indonesia |
| Leader Title1: | Vice Regent |
| Leader Name1: | Abdul Rahman |
| Area Code Type: | Area code |
South Solok Regency (Indonesian: Kabupaten Solok Selatan) is a landlocked regency (kabupaten) of West Sumatra province, Indonesia. It covers an area of 3,282.14 km2, and had a population of 144,281 at the 2010 Census[2] and 182,027 at the 2020 Census;[3] the official estimate as at mid 2023 was 191,540 - comprising 97,420 males and 94,120 females.[4] The seat of the administration is the town of Padang Aro.
South Solok Regency is divided into seven districts (kecamatan), listed below with their areas and their populations at the 2010 Census[5] and 2020 Census,[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 (nagari) in each district, and its post code.
| Name of District (kecamatan) | Area in km2 | Pop'n 2010 Census | Pop'n 2020 Census | Pop'n mid 2023 Estimate | Admin centre | No. of villages | Post code | |
|---|---|---|---|---|---|---|---|---|
| Sangir | 647.36 | 38,216 | 51,083 | 54,649 | Lubuk Gadang | 4 | 27778 | |
| 337.61 | 11,585 | 14,331 | 14,988 | Lubuk Malako | 5 | 27773 | ||
| Sangir Balai Janggo | 532.82 | 15,719 | 19,482 | 20,386 | Sungai Kunyit | 4 | 27777 | |
| Sangir Batang Hari | 788.32 | 13,049 | 16,291 | 17,083 | Abai | 7 | 27779 | |
| Sungai Pagu | 313.02 | 28,279 | 32,902 | 33,803 | Muara Labuh | 11 | 27774 | |
| Pauh Duo | 242.65 | 14,857 | 19,109 | 20,212 | Pakan Salasa | 4 | 27776 | |
| Koto Parik Gadang Diateh | 420.36 | 22,576 | 28,829 | 30,429 | Pakan Rabaa | 4 | 27775 | |
| Totals | 3,282.14 | 144,281 | 182,027 | 191,540 | Padang Aro | 39 |