| Machhlishahr | |
| Settlement Type: | Town |
| Pushpin Map: | India Uttar Pradesh#India3 |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Uttar Pradesh, India |
| Coordinates: | 25.68°N 82.42°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Uttar Pradesh |
| Subdivision Type2: | District |
| Subdivision Name2: | Jaunpur |
| Leader Title: | MLA |
| Leader Name: | Ragini Sonkar[1] |
| Governing Body: | Nagar panchayat |
| Unit Pref: | Metric |
| Area Total Km2: | 5.37 |
| Elevation M: | 84 |
| Population Total: | 26107 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Language |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi[2] |
| Demographics1 Title2: | Additional official |
| Demographics1 Info2: | Urdu |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 222143 |
| Registration Plate: | UP-62 |
Machhlishahr is a town in Jaunpur district in the Indian state of Uttar Pradesh. It is situated 30 km west of district headquarters Jaunpur. NH-231 passes through the city. Machhlishahr – Janghai NH-731B – Bhadohi four-lane national highway is under construction which will boost the economy of the region.[3] Machhlishahr is a Nagar panchayat and there has been a longstanding demand for making it a Nagar palika parishad.[4] In 2020, Machhalisahar nagar panchayat has secured 33rd all India rank in Swachh Survekshan cleanliness survey.[5]
Machhlishahr is located at .[6] It has an average elevation of 84 metres (275 feet). It has been assigned 222143 pincode by Indian postal services.
As of 2011 Indian Census, Machhlishahr had a total population of 26,107, of which 13,284 were males and 12,823 were females. Population within the age group of 0 to 6 years was 3,886. The total number of literates in Machhlishahr was 17,205, which constituted 65.9% of the population with male literacy of 71.0% and female literacy of 60.6%. The effective literacy rate of 7+ population of Machhlishahr was 77.4%, of which male literacy rate was 83.8% and female literacy rate was 70.9%. The Scheduled Castes population was 1,841. Machhlishahr had 3740 households in 2011.[7]
India census,[8] Machhlishahr had a population of 22‚943. Males constitute 51.5% of the population and females 48.5%. Literacy rate is Machhlishahr city is 58.3%.[8]
A little more than half of the population follow Islam, with the rest being followeres of Hinduism.[9]