Harmanli (literally "(place) with the harvest") is a Turkish place name that may refer to the following places in Turkey:

• Harmanli, Ardanuç, a village in the district of Ardanuç, Artvin Province
• Harmanli, Arsin, a village in the district of Arsin, Trabzon Province
• Harmanli, Gölbasi, a village in the district of Gölbasi, Adiyaman Province

Harmanli (, ) is a town in Haskovo Province, South-central Bulgaria. It is the administrative centre of the homonymous Harmanli Municipality. As of December 2009, the town has a population of 18,557 inhabitants.