The Department of Information Technology and Digital Services is one of the departments of Government of Tamil Nadu.

The objectives of the department are to provide government services through the internet, enable adoption of Information technology in governance, increase software exports from the state, provide cable television and enable the adoption of Tamil in computing.

[1][2] As of 2022[update], The state is amongst the major Information technology (IT) exporters of India with a value of ₹57,687 crore (US$6.7 billion).

[5] The presence of SEZs and government policies have contributed to the growth of the sector which has attracted foreign investments and job seekers from other parts of the country.

[8][9] The following sub-divisions and undertakings operate under the department:[10]