Cognomen Cijo (Cijo 
) , around the world, is a rare last name. The family name Cijo is habitual in Philippines, where it is a very rare surname, South Africa, where it is an extremely rare surname, and India. In absolute terms, it is the most numerous in Philippines, India, and the United States. More frequently, Cijo is the forename as well as the last name.
Saj, Robert, George, Joseph, Jerome, Thomas, Xavier, Mathews, Stephen, Anthony, Abraham, Cherian, Paulose, Johnson, Naliath, Francis, Varghese, Yohannan, Sebastian, Augustine, Chakkadan, Kanjooparampil, Philip, Kurian, Chacko, Antony, Jos, Joy, Job, Mani, Saju, Alex, Paul, Raju, Jara, Jose, Kuriakose, John, Jacob, James, Johny, Joboy, Isaac, Issac, Mathew, Mathai, Samuel, Skaria, Cyril, and Kundukulangara