Family name Langco (Langco 
) , in the world, is quite a rare cognomen. The cognomen Langco is characteristic of Philippines, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and Vietnam, where it is an extremely rare surname. Much less frequently, Langco is the forename as well as the last name.
Li, Joan, Jhon, Nara, Nano, Naif, Noro, Elma, Isah, Omar, Mario, Marba, Manny, Malia, Mahid, Masio, Melyn, Salam, Salic, Salem, Salma, Samad, Lyle, Labi, Doma, Daud, Ali, Abi, Kim, Rey, Lia, Oli, Mila, Mike, Musa, Muki, Samra, Alex, Asis, Asiz, Aida, Aisa, Aiza, Bawi, Poli, Riza, Riga, Rudy, Amer, and Sadam