نهر نيرا (Nera River) هوا نهر فى صيربيا. نهر نيرا موجود فى منطقة اداريه اسمها مقاطعه كاراس-سيفيرين. نهر نيرا طوله 124 كيلومتر. نهر نيرا بيصب فى نهر الدانوب و بيرفده Zgârcea River و Nergana River و Haimeliug River و Valea Rea River و Valea Mare River و Ulmu Mic River و Ulmu Mare River و Răchita River و Râul Dracului و Rudăria River و Radovanu River و Prigor River و Padina Seacă River و Miniș River و Meliugel River و Lindina River و Fântâna Seacă River و Ducin River و Ciurezu River و Bănia River و Bârzu River و Bresnic River و Beu River و Arsa River و Nerganița River و Ogașu Porcului و Oreștica River و Ogașu Rogozului و Șopotu River و Ogașu Alunilor و Ogașu Babei و Boinița River و Moceriș River و Coșava River و Lăpușnicu River و Ogașu Mare و Șușara River و Padina Bașchii River و Ogașu Porcariului و Agriș River و ميته بتتجمع فى حوض دانوب.