Wonosobo Regency (Javanese: ꦑꦧꦸꦥꦠꦺꦤ꧀ꦮꦤꦱꦧ, romanized: Kabupatèn Wanasaba) is a regency (Indonesian: kabupaten) in Central Java province in Indonesia. The regency seat is located in the town of Wonosobo, located at 7°22′07″S 109°53′54″E / 7.3684940°S 109.8983841°E / -7.3684940; 109.8983841,on the Dieng Plateau, about 120 km from Semarang City. Wonosobo Regency shares borders with Temanggung and Magelang Regencies to the east, Purworejo Regency to the south, Kebumen Regency and Banjarnegara Regency to the west, and Batang Regency and Kendal Regency to the north. The regency's area is 984.68 km and its population was 754,883 at the 2010 census and 879,124 at the 2020 census; the official estimate as at mid 2023 was 909,664 (comprising 463,181 males and 446,483 females).

The word "Wonosobo" is derived from Javanese Wanasaba, which in turn came from Sanskrit Vanasabhā. It literally means 'the gathering place in the forest'.

Wonosobo Regency is divided into the following fifteen 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 also includes the location of the district headquarters, the number of administrative villages in each district (totalling 236 rural desa and 29 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
33.07.01	Wadaslintang	127.16	51,402	60,502	62,789	Wadaslintang	17	56365
33.07.02	Kepil	93.87	56,184	64,478	66,425	Kepil	21	56374
33.07.03	Sapuran	77.72	53,845	61,209	62,884	Sapuram	17	56375
33.07.15	Kalibawang	47.82	22,269	27,101	28,399	Karangsambung	8	56373
33.07.04	Kaliwiro	100.08	43,978	51,824	53,801	Kaliwiro	21	56364
33.07.05	Leksono	44.07	39,159	46,186	47,960	Leksono	14	56362
33.07.14	Sukoharjo	54.29	31,228	35,459	36,417	Sukoharjo	17	56363
33.07.06	Selomerto	39.71	44,849	53,516	55,760	Selomerto	24	56361
33.07.07	Kalikajar	83.30	57,476	70,302	73,778	Kalikajar	19	56372
33.07.08	Kertek	62.14	76,386	90,207	93,707	Kertek	21	56371
33.07.09	Wonosobo (town)	32.38	82,488	91,909	93,878	Jaraksari	20	56311 - 56319
33.07.10	Watumalang	68.23	48,569	55,765	57,457	Wonoroto	16	56352
33.07.11	Mojotengah	45.07	58,163	67,481	69,740	Kalibeber	19	56351
33.07.12	Garung	51.22	47,954	56,988	59,307	Garung	15	56353
33.07.13	Kejajar	57.62	40,933	46,197	47,362	Kejajar	16	56354
	Totals	984.68	754,883	879,124	909,664	Wonosobo	265

Notes: (a) including one kelurahan (the district administrative centre). (b) including 2 kelurahan (Selomerto and Wonorejo). (c) includes 2 kelurahan (Kertek and Wringinanom).
(d) comprises 13 kelurahan (Bumireso, Jaraksari, Jlamprang, Kalianget, Kejiwan, Kramatan, Mlipak, Pagerkukuh, Rojoimo, Sambek, Tawangsari, Wonosobo Barat and Wonosobo Timur) and 7 desa.
(e) comprises 3 kelurahan (Andongsili, Kalibeber and Mudal) and 16 desa.

The 29 kelurahan (urban villages) are thus split over 13 districts, with 13 in Wonosobo (town) District, 3 in Mojotengah District, 2 in Selomerto District, 2 in Kertek District, and 1 each in Wadaslintang, Kepil, Sapuran, Kaliwiro, Leksono, Kalikajar, Watumalang, Garung and Kejajar Districts (in the latter cases the sole kelurahan is the district administrative headquarters).

Wonosobo has an elevation moderated tropical rainforest climate (Af) with moderate rainfall from July to September and heavy to very heavy rainfall in the remaining months. The following climate data is for the town of Wonosobo.

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