Ketapang Regency is a regency in the south of the province of West Kalimantan, on the island of Borneo in Indonesia. Ketapang Regency occupies an area of 31,588 km, and at the census in 2010 it had 427,460 inhabitants following the splitting off of five districts in the north-west of the regency on 2 January 2007 to form the new North Kayong Regency; the 2020 census revealed a growth in population to 570,657 over the intervening decade; the official estimate as at mid 2023 was 592,521 (comprising 307,931 males and 284,590 females). The principal town lies at Ketapang.

When Ketapang Regency was originally created, it consists into the districts of Kendawangan, Manis Mata, Marau, Singkup, Tumbang Titi, Matan Hilir, Nanga Tayap, Sandai, Simpang Hilir, Simpang Hulu, Sukadana and Maya Karimata Islands. In 1988, Matan Hilir district was divided into two districts, namely Matan Hilir Utara and Matan Hilir Selatan. On 17 June 1996, Teluk Batang district was established by split off from the western part of Simpang Hilir district. In 2003, five new districts were established (Delta Pawan (including Ketapang town) and Muara Pawan districts were split off from the southern part of Matan Hilir Utara district, Benua Kayong district was split off from northern part of Matan Hilir Selatan district, Hulu Sungai district was split off from eastern part of Sandai district, Simpang Dua was split off from the southern part of Simpang Hulu district, Air Upas and Singkup districts were split off from the southeastern and southwestern parts of Marau district, respectively). In 2005, another three new districts were created (Seponti district was cut out from the northwestern part of Teluk Batang district, Pemahan and Sungai Melayu Rayak districts were cut out from the northern and western parts of Tumbang Titi district, respectively). In 2007, a new district named Jelai Hulu was carved out from the northeastern part of Kendawangan district.

Following the splitting off of the five districts to form the North Kayong Regency in January 2007, the Ketapang Regency now consists of twenty districts (kecamatan), tabulated below with their areas and their populations at the 2010 census and the 2020 census; together with the official estimates as at mid 2023. The table includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 253 rural desa and 9 urban kelurahan), and its post code.

Kode Wilayah	Name of District (kecamatan)	Area in km	Pop'n census 2010	Pop'n census 2020	Pop'n estimate mid 2023	Admin centre	No. of villages	Post code
61.04.04	Kendawangan	5,859	32,505	57,808	65,106	Kendawangan Kiri	19	78862
61.04.03	Manis Mata	2,912	24,627	34,658	36,469	Manis Mata	22	78864
61.04.02	Marau	1,160	11,901	17,283	18,353	Sukakarya	10	78865
61.04.22	Singkup	227	6,154	8,299	8,625	Sukaraja	8	78866
61.04.21	Air Upas	793	16,620	20,224	20,401	Air Upas	9	78863
61.04.14	Jelai Hulu (Upper Jelai)	1,358	15,648	20,596	21,255	Periangan	22	78876
61.04.13	Tumbang Titi	1,198	23,286	28,938	29,370	Tumbang Titi	25	78877
61.04.24	Pemahan	326	4,446	5,781	5,945	Pebihingan	7	78874
61.04.25	Sungai Melayu Rayak	122	11,650	15,036	15,429	Sungai Melayu	11	78875
61.04.12	Matan Hilir Selatan (South Lower Matan)	1,813	30,528	40,289	41,611	Pesaguan Kanan	11	78822
61.04.18	Benua Kayong	349	35,165	45,047	46,125	Tuan Tuan	11	78821 -78822
61.04.01	Matan Hilir Utara (North Lower Matan)	720	14,739	19,992	20,813	Kuala Tolak	5	78813
61.04.16	Delta Pawan (Ketapang town)	74	71,509	90,634	92,515	Ketapang	9	78811 -78813
61.04.17	Muara Pawan	611	13,109	18,039	18,858	Sungai Awan Kiri	8	78810
61.04.11	Nanga Tayap	1,728	27,490	36,378	37,601	Nanga Tayap	20	78873
61.04.05	Sandai	1,779	24,474	32,374	33,459	Sandai	13	78870
61.04.19	Hulu Sungai	4,685	11,553	13,884	13,955	Menyumbung	12	78871
61.04.07	Sungai Laur	1,651	16,702	19,248	19,112	Riam Bunut	19	78872
61.04.08	Simpang Hulu (Upper Simpang)	3,175	27,847	36,864	38,108	Balai Pinang	15	78850
61.04.20	Simpang Dua	1,048	7,507	9,285	9,411	Semandang Kanan	6	78854
	Totals	31,588	427,460	570,657	592,521	Ketapang	262

Notes: (a) includes some 30 offshore islands, mainly off the southwest coast, of which the largest are Pulau Bawal and Pulau Gelam.
(b) including four kelurahan - Kauman, Mulia Kerta, Tuan Tuan and Banjar. (c) including five kelurahan - Kantor, Tengah, Mulia Baru, Sampit and Sukaharja.

1°35′00″S 110°30′00″E / 1.5833°S 110.5000°E / -1.5833; 110.5000