Dashkia Union () is a union council of Kalihati Upazila, Tangail District, Bangladesh. It is situated 22 km north of Tangail, on the bank of the Bangshai River.
According to Population Census 2011 performed by Bangladesh Bureau of Statistics, The total population of Dashkia union is 15100. There are 3667 households in total.
The literacy rate of Dashkia Union is 46.2% (Male-51.1%, Female-41.5%).