| Sect: | Śvētāmbara |
| Map Size: | 300 |
| Coordinates: | 24.9145°N 86.0144°W |
| Location: | Lachhuar village, Jamui, Bihar |
| Festivals: | Mahavir Janma Kalyanak |
| Deity: | Mahavira |
| Governing Body: | Anandji Kalyanji Trust |
| Temple Quantity: | 2 |
| Creator: | Raja Dhanpat Singh Bahadur |
| Established: | 1857 |
Lachhuar Jain temple is a Jain temples located in Lachhuar village near Jamui, Bihar. Lachhuar is one of the most important Jain pilgrimages in Bihar.
This temple is part of Jain circuit of Bihar and is a popular Jain pilgrimage. This temple also temporarily housed the ancient 2,600 years idol of Mahavira from temple in The temple also has a dharamshala equipped with all modern facilities and bhojnalaya.
According to Śvētāmbara tradition, Lachhuar a doorway to Kshatriyakund which is believed to be the birthplace of Mahavira. To commemorate his birthplace a large temple along with a dharamshala was constructed by Raja Dhanpat Singh Bahadur in 1857.