Apetlon is a market town in the district of Neusiedl am See, in the Austrian state of Burgenland. It lies in the Seewinkel, a region east of Lake Neusiedl.
The town's setting in the Seewinkel places it within the broader Lake Neusiedl area of Burgenland, near the border with Hungary. As a market town, Apetlon holds that status within its district.