Cognomen Nerwal (Nerwal 
) , in the world, is a rare last name. The cognomen Nerwal is habitual in Australia, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United Kingdom. Not in comparison with a country's population, the name is most common in India, the United States, and Australia. Very seldom, Nerwal is the forename as well as the last name.