| Jais | |
| Other Name: | Jayas |
| Settlement Type: | Town |
| Pushpin Map: | India Uttar Pradesh#India3 |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in India |
| Coordinates: | 26.25°N 81.53°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Uttar Pradesh |
| Subdivision Type2: | Division |
| Subdivision Name2: | Ayodhya |
| Subdivision Type3: | District |
| Subdivision Name3: | Amethi |
| Founder: | Hazrat Meer Imaduddin Qilchi |
| Government Type: | Municipal Council |
| Governing Body: | Jais Municipal Council |
| Leader Title: | Municipal Chairperson |
| Leader Name: | Manisha[1] [2] |
| Leader Party: | INC |
| Unit Pref: | Metric |
| Elevation M: | 101 |
| Population Total: | 26735 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Language |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi[3] |
| Demographics1 Title2: | Additional official |
| Demographics1 Info2: | Urdu |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 229305 |
| Area Code Type: | Telephone code |
| Area Code: | STD code 5313 |
| Registration Plate: | UP-36 |
Jais, also spelled Jayas, is a city with a municipal board in Amethi district (formerly in Raebareli district) in the Indian state of Uttar Pradesh.
Jais is located at .[4] It has an average elevation of 101 metres (331 feet).
Indian census, Jais has a population of 26,735 people. Males constitute 52% of the population and females 48%. Jais' literacy rate is 62.42%, lower than the national average of 67.68%. Male literacy is 70% and female literacy is 54.54%. In Jais, 13.39% of the population is under six years of age.[5]
Jais has two railway stations on the Indian Railways network: Bahadurpur and Kasimpur. The bus station is at Sultanpur-Raebareli road. The nearest airport Fursatganj Airfield is 19.3 km away, and the nearest international airport Ayodhya Airport is 70 km away.
The Ministry of Petroleum and Natural Gas set up the Rajiv Gandhi Institute of Petroleum Technology at Jais. It has been accorded "Institute of National Importance" status and a governance structure similar to that available to IITs. It admits undergraduate students from the rank list of students who have qualified JEE (Advanced) Examination.[6]
The Oudh family of Sayyids of Jais, well known for Mujtahids of Lucknow, settled in Rae Bareli during the thirteenth century.[8]