Barua Sagar is a city and municipal board in Jhansi district in the Indian state of Uttar Pradesh. It is named after a lake called Barua Sagar Tal. A Maharshi Shringirishi temple is also located on the banks of the lake.

The beautiful fort complex of Baruasagar was built for the kings of Orchha as a summer retreat, and has witnessed many historical events. Baruasagar, located 22 km southeast of Jhansi, was built by the Bundela king of Orchha, Udit Singh, between 1705 and 1707 AD. He also built a large lake next to it. Inside the fort complex were palaces and several small temples.

According to the 2011 census,[1] Barua Sagar had a population of 22,075. Males constitute 53% of the population and females 47%. Barua Sagar has an average literacy rate of 71.62%, higher than the state average of 67.68%; 81.07% of the males and 61.43% of females are literate. 13% of the population is under 6 years of age. Human Sex Ratio of Barua Sagar is 920 females per 1000 males which is higher than the state average of 912. However, Child Sex Ratio of Barua Sagar is 873 compared to the state average of 902 females per 1000 males. 92% of the population of Barua Sagar is Hindu, 6.48% Muslim, 0.04% Christian, 1.95% Jain and other minority groups.