| En Name: | Gaysky District |
| Ru Name: | Гайский район |
| Image View: | Озеро мечты.jpg |
| Coordinates: | 51.4667°N 85°W |
| Image Coa: | Coat of Arms of Gai rayon (Orenburg oblast).png |
| Federal Subject: | Orenburg Oblast |
| Adm Data As Of: | December 2014 |
| Adm Ctr Type: | town |
| Adm Ctr Name: | Gay |
| Selsoviet Type1: | Selsoviets |
| No Of Selsoviets Type1: | 8 |
| No Of Rural Localities: | 33 |
| Mun Data As Of: | June 2015 |
| Mun Formation1: | Gaysky Urban Okrug |
| Area Km2: | 2900 |
| Pop 2010Census: | 10331 |
| Urban Pop 2010Census: | 0% |
| Rural Pop 2010Census: | 100% |
| Website: | http://mo-gai.orb.ru/ |
| Date: | September 2012 |
| Bodystyle: | width:23.5em |
| Population of Gaysky District | |
| Label1: | 2010 Census |
| Data1: | 10,331 |
| Label2: | 2002 Census |
| Data2: | 12,188 |
| Label3: | 1989 Census |
| Data3: | 12,811 |
| Label4: | 1979 Census |
| Data4: | 51,486 |
Gaysky District (Russian: Га́йский райо́н) is an administrative district (raion), one of the thirty-five in Orenburg Oblast, Russia.[1] It is located in the east of the oblast. The area of the district is 2900km2.[2] Its administrative center is the town of Gay which is not administratively a part of the district.[3] As of the 2010 Census, the total population of the district was 10,331.
Within the framework of administrative divisions, Gaysky District is one of the thirty-five in the oblast. The town of Gay serves as its administrative center, despite being incorporated separately as an administrative unit with a status equal to that of the districts.
As a municipal division, the territory of the district and the territory of the Town of Gay are incorporated together as Gaysky Urban Okrug.[4] Prior to June 1, 2015, the district was incorporated as Gaysky Municipal District, while the Town of Gay was incorporated separately as Gay Urban Okrug.[5]