Navdonak (Tajik: Навдонак) is a village in the jamoat Kalai Surkh in the Rasht District (one of the Districts of Republican Subordination) in central Tadjikistan. Navdonakis east of Dushanbe in the Vakhsh valley and has a Köppen climate classification of Dsa and experiences wet and cold winters with dry cool summers. The village is close to the town of Gharm.