Map - Kapuas Regency (Kabupaten Kapuas)

Kapuas Regency (Kabupaten Kapuas) is one of the thirteen regencies which divide Central Kalimantan Province, on the island of Kalimantan, Indonesia. It formerly covered a wider area, but on 10 April 2002 two further regencies (Pulang Pisau Regency and Gunung Mas Regency) were cut out of its western districts, and the residual area is now 14,999 km.2 Its population was 329,646 at the 2010 Census and 410,400 at the 2020 Census; the official estimate as at mid 2021 was 416,181. The administrative centre is the town of Kuala Kapuas near the coast, but the largest town is Selat, which includes 8 of the regency's 15 urban kelurahan.

The total area of Kapuas Regency is 14,999 square km (9.77% of the area of Central Kalimantan Province), delineated into ebbtide and non-ebbtide areas. It adjoins Gunung Mas Regency, the Java Sea, Barito Selatan Regency and Kalimantan Selatan Province (Barito Kuala Regency), and Pulang Pisau Regency, to the north, south, east and west, respectively.

The north is marked by hills and mountains up to 500 metres above sea level, while the south is coastal and marshy, ebb-tidal and vulnerable to flooding. Rivers in Kapuas Regency are the Kapuas and Kapuas Murung, 600 and 66.38 km in length, respectively. There are four canals: Anjir Serapat (28 km in length;) and Anjir Tamban (25 km), each connecting Kuala Kapuas with Banjarmasin, running through Kalimantan Tengah (for 13–14 km) and Kalimantan Selatan (12–14 km); the Anjir Kalampan (14.5 km), connecting Mandomai, the capital of Kapuas Barat district, with Pulang Pisau Regency; and the Anjir Basarang (24 km), connecting Kuala Kapuas with Pulang Pisau.