Turn Castle may refer to several castles or manors in Slovenia:
Turn Castle, Brestanica, a smaller castle below Rajhenburg Castle in the Municipality of Krško Turn Castle, Gornja Bitnja, a 17th-century mansion in the Municipality of Ilirska Bistrica Turn Castle, Ig, a 14th-century castle in the Municipality of Ig Turn Castle, Preddvor, a 14th-century castle in the Municipality of Preddvor Turn Castle, Leskovec pri Krškem, a 16th-century castle in the Municipality of Krško , in the City Municipality of Velenje