| Ladnun | |
| Native Name Lang: | hi |
| Other Name: | Chanderi Nagari |
| Nickname: | Chanderi Nagari |
| Settlement Type: | City |
| Pushpin Map: | India Rajasthan |
| Pushpin Map Caption: | Location in Rajasthan, India |
| Coordinates: | 27.65°N 74.3833°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Rajasthan |
| Subdivision Type2: | District |
| Subdivision Name2: | Didwana Kuchaman |
| Unit Pref: | Metric |
| Elevation M: | 328 |
| Population Total: | 90,575 |
| Population As Of: | 2011 |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi, Rajasthani |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 341306 |
| Area Code Type: | Telephone code |
| Area Code: | 01581 |
| Registration Plate: | RJ-37 |
Ladnu, also Ladnun, is a city and a municipality, near Nagaur city, Didwana Kuchaman District, in the Indian state of Rajasthan. It is a Tehsil headquarters of Didwana Kuchaman District. It is home to the Jain Vishva Bharati University.
Ladnun is a town and a municipality in Didwana district in the Indian state of Rajasthan. It is also the tehsil's headquarters and subdivision. Ladnun tehsil has [139 village] in all. Bakliya,Nimbi Jodha, Jaswantgarh and Sunari are the largest of the villages. Ladnun has a M.L.A seat and 32 elected ward members in Ladnun Municipality.
Ladnun was earlier known as Chanderi Nagari, It is 380 kmwest of Delhi and 225 km north-west of Jaipur. Its population is approx. 57,047 as of 2001 Indian census. It is situated 329 m above sea level and at 27° 39' 0" north and 74° 23'-1" east longitude.
See main article: Ladnu Jain temple. The Digambara Bara Jain Temple has an inscription dating to 1229.
Ladnun has a dry climate with a hot summer. Sand storms are common in summer. The climate ofthe city is conspicuous by extreme dryness, large variations of temperature and highly variablerainfall. The mercury in the Mercury Barometer keeps on rising intensely from March till June.These are the hottest months. The maximum temperature recorded in the city is 47 °C with 0 °C asthe lowest recorded temperature. The average temperature of the city is 23.5 °C. The winterseason extends from mid November till the beginning of March. Rainy season is of a short durationfrom July to mid September. The average rainfall in the city is 36.16 cm & 51.5% humidity.
Ladnu is located at .[1] It has an average elevation of 328 metres (1079 feet).
India census,[2] Ladnu had a population of 57,047. Males constitute 51% of the population and females 49%. Ladnu has an average literacy rate of 60%, higher than the national average of 59.5%: male literacy is 71%, and female literacy is 49%. In Ladnu, 17% of the population is under 6 years of age.
List of villages in Ladnu Tehsil