Tartu County (Estonian:Tartu maakond), or Tartumaa (German:Kreis Dorpat), is one of 15 counties of Estonia.

It is located in eastern Estonia bordering Põlva County, Valga County, Viljandi County and Jõgeva County.

The area of Tartu County is 2,992.74 km², which covers 6.9% of the territory of Estonia. In January 2013 Tartu County had a population of 150,139 – constituting 11.6% of the total population in Estonia. The city of Tartu is the centre of the county located at a distance of 186 km from Tallinn. Tartu County is divided into 22 local governments – 3 urban and 19 rural municipalities.