Cognomen Lanja (Lanja 
) , in all the world, is a rare family name. The family name Lanja is characteristic of Iraq, where it is a rare surname, Indonesia, where it is a very rare surname, and Tanzania. Not in comparison with a country's population, this name is the most popular in India, Indonesia, and Iraq. More frequently, Lanja is the forename as well as the last name.
Ali, Ranya, Latif, Jamal, Jalal, Talib, Fatih, Fatah, Osman, Mhamad, Santos, Sharif, Sorani, Rashid, Taqana, Hassan, Muhamad, Sanders, Slemani, Abdulla, Hawlere, Muhammad, Kurdi, Raharinjanahary, Kamil, Karem, Ram, Xan, Sdiq, Arif, Azad, Aziz, Koye, Khan, Devi, Gull, Gyan, Omar, Omer, Majhi, Munda, Saleh, Saeed, Silva, Ahmad, Ahmed, Karim, Kamal, and Randrianarison