Mujauna is a village in West Champaran district in the Indian state of Bihar.

It comes under the Sugauli panchayat of Narkatiaganj block.

As of 2011 India census, Mujauna had a population of 1993 in 358 households.

In Mujauna, 20.9% of the population is under 6 years of age.

This article related to a location in Bihar is a stub.