Family name Amitha (Amitha 
, Amirail 
) , across the world, is a rare last name. The surname Amitha is habitual in Sri Lanka, where it is quite a rare surname, Kuwait, where it is a rare surname, and Saudi Arabia, where it is a very rare surname. In absolute terms, it most frequently occurs in India, Sri Lanka, and Indonesia. Much more prevalently, Amitha is the forename as well as the last name.
Pai, Mathew, Sharma, Shenoy, Shetty, Suresh, Kamath, Kumari, Perera, Prasad, Prabhu, Dsouza, George, Joseph, Thomas, Abraham, Pathuri, Francis, Chandran, Krishnan, Varghese, Ponnappan, Jacob, Tennakoon, Gowda, Reddy, Raj, Rao, Das, Joy, Ammu, Babu, Bhat, Paul, Rani, Raju, Jain, Jose, John, Nair, Marak, Mohan, Singh, Ajith, Kumar, Priya, Rajan, Dhewi, and Ariyarathna