Cognomen Katru (Katru 
) , all over the world, is a common family name. The last name Katru is habitual in India, where it is a rare surname, Qatar, and Oman. Measured by absolute frequency, it is the most numerous in India, Oman, and the United States. Very seldom, Katru is the forename as well as the last name.
Mr, Papa, Rama, Ramu, Rani, Raja, Raju, Ravi, Raam, Roja, Devi, Gopi, Jaya, John, Joel, Joji, Tara, Naga, Naag, Edda, Hari, Hima, Paul, Babu, Baby, Bala, Ms, Sai, Sri, Amy, Ram, Raj, Jan, Esu, Uma, Mari, Vani, Mary, Mani, Meri, Sita, Siva, Suma, Suji, Syam, Anil, Arun, Ajay, Mang, and Venu