Konstantinos Agorastos (1963, Larissa, Greece) is a Greek politician, Governor of Thessaly during the period 2011–2023, and previously a Member of Greek Parliament, representing Larissa (2004–09).

A graduate of the Piraeus School of Industry, he teaches as an associate professor at the University of Macedonia.

He is married to Christina Panagi and they have 2 children.

In a poll conducted in 2013, he was ranked the second most popular regional governor in Greece.

[5] In the 2023 regional elections he lost in the second round to Dimitris Kouretas.