| Tiachiv Raion | |
| Native Name: | Тячівський район |
| Native Name Lang: | uk |
| Settlement Type: | Raion |
| Flag Alt: | Flag of Tiachiv Raion |
| Shield Alt: | Coat of arms of Tiachiv Raion |
| Coordinates: | 48.0197°N 23.5679°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Oblast |
| Parts Type: | Subdivisions |
| Parts: | 10 hromadas |
| Established Title: | Established |
| Established Date: | 1946 |
| Seat Type: | Admin. center |
| Seat: | Tiachiv |
| Leader Title: | Governor |
| Leader Title1: | Chairman |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 1869.5 |
| Population Total: | 183756 |
| Population As Of: | 2022 |
| Population Density Km2: | auto |
| Timezone1: | EET |
| Utc Offset1: | +02:00 |
| Timezone1 Dst: | EEST |
| Utc Offset1 Dst: | +03:00 |
| Postal Code Type: | Postal index |
| Area Code Type: | Area code |
| Area Code: | 380-3134 |
Tiachiv Raion (Ukrainian: Тячівський район, {{lang-ro|Raionul Teceu, Hungarian: Técsői járás) is a raion in Zakarpattia Oblast in western Ukraine. Its administrative center is Tiachiv. Population:
On 18 July 2020, as part of the administrative reform of Ukraine, the number of raions of Zakarpattia Oblast was reduced to six, and the area of Tiachiv Raion was significantly expanded. [2] [3] According to the 2001 census, the majority of the population of the Teceu district spoke Ukrainian (83.52%), with Romanian (12.45%), Hungarian (2.76%) and Russian (1.06%) speakers in the minority.[4] The January 2020 estimate of the raion population was
Romanian became in September 2012 a regional language in the village of Bila Tserkva; meaning it was allowed to be used in the towns administrative office work and documents.[5] This was made possible after new legislation on languages in Ukraine was passed in the summer of 2012.[5] The Constitutional Court of Ukraine on 28 February 2018 ruled this legislation unconstitutional.[6]
The raion has one city: Tiachiv, and five urban-type settlements: Bushtyno, Dubove, Solotvyno, Teresva and Ust-Chorna.[7]