Trnávka may refer to places:
Czech Republic Trnávka (Nový Jičín District), a municipality and village in the Moravian-Silesian Trnávka (Pardubice District), a municipality and village in the Pardubice Region Městečko Trnávka, a municipality and village in the Pardubice Region Lipník nad Bečvou VII-Trnávka, a village and part of Lipník nad Bečvou in the Olomouc Region
Slovakia Trnávka, Dunajská Streda District, a municipality and village in the Trnava Region Trnávka, Trebišov District, a municipality and village in the Košice Region Trnávka, a part of Bratislava-Ružinov Trnávka river, a river in the Trnava Region