What is last name jain?

Jain is a common last name in India, especially among people who follow Jainism, an ancient Indian religion. Jains are known for their strict adherence to vegetarianism and nonviolence, and their belief in karma and reincarnation. The Jain community is predominantly found in the states of Rajasthan, Gujarat, and Maharashtra, and their last name translates to "follower of Jainism." Many prominent Indian personalities such as Dr Subramanian Swamy, Naveen Jain, and Vinod Jain, among others, carry the last name Jain.