Kertezi (Greek: Κέρτεζη) is a mountain village in the municipality of Kalavryta, Achaea, Greece.

It is built in the valley of a tributary of the river Vouraikos, east of the mountain Kallifoni.

It is 12 km southwest of Kalavryta.

During the Greek War of Independence, Anagnostis Striftombolas came to Kertezi, took a military body of 15 men and battled in the Battle of Levidi, where he was killed on 14 April 1821.