Serbia-Croatia-ngi (Српскохрватски ?език / Srpskohrvatski jezik) he liu-hang chhai Tung-Eu Balkan Pan-to chhien Nam Slav chu-koet ke ngi-ngien . Kim-ha yu ch?n-chh? yin-su, lia-chak ngi-ngien chhai m?-thung ke koet-ka m?-thung yung-yu m?-thung ke miang-chh??n lau fat-yim pheu-chun. 2007-ngien Serbia-Croatia-ngi mu-ngi s??-yung ngin-khieu yok 19,000,000-ngin.