Last name Sinju (Sinju 
) , all around the world, is a rare cognomen. The cognomen Sinju is habitual in Cameroon, where it is a rare surname, Malaysia, and Tanzania, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in India, Cameroon, and Indonesia. More frequently, Sinju is the forename as well as the last name.
Mol, Cyriac, Barman, Kumari, Pramod, Philip, Renjit, Daniel, George, Joseph, Thomas, Nazeer, Oommen, Stephen, Abraham, Cherian, Paulose, Johnson, Punnoose, Engineer, Varghese, Sebastian, Chacko, Augustine, Aliyas, Mathew, Roy, Das, Lal, Joy, Saji, Sree, Baby, Babu, Paul, Raju, Devi, Jose, John, Nair, Hong, Moncy, Sajan, Sunny, Kumar, Rajan, Jacob, Sankar, and Thankachan