| Retta Nagala | |
| Settlement Type: | village |
| Pushpin Map: | India Uttar Pradesh#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Uttar Pradesh, India |
| Coordinates: | 29.5996°N 77.7757°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Uttar Pradesh |
| Subdivision Type2: | District |
| Subdivision Name2: | Muzaffarnagar |
| Governing Body: | Gram panchayat |
| Unit Pref: | Metric |
| Population Total: | 6 to 7 thousand |
| Population As Of: | 2009 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 251307 |
| Registration Plate: | UP |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Muzaffarnagar |
| Blank2 Name Sec1: | Sex ratio |
| Blank2 Info Sec1: | 1000/950 ♂/♀ |
| Blank3 Name Sec1: | Literacy |
| Blank3 Info Sec1: | 90% |
| Blank4 Name Sec1: | Lok Sabha constituency |
| Blank4 Info Sec1: | Bijnor |
| Blank5 Name Sec1: | Vidhan Sabha constituency |
| Blank5 Info Sec1: | Charthwal Vidhan Sabha |
Retta Nagala (also known as Retanagla,[1] Retanangala, Reta Nagla[2]) is a village in Muzaffarnagar district in the Indian state of Uttar Pradesh.[3] It is situated on the Roorkee Road (NH-58), and has a population of between 5,000 and 6,000.