Hatvan is a town in Heves county, Hungary. Hatvan is the Hungarian word for "sixty".

Hatvan is the Hungarian word for "sixty". It is a common urban legend that the town got this name because it's 60 km from Budapest, but in fact the name is already mentioned in medieval sources while Hungary started using the metric system in 1876; also, the actual distance between the capital and the town is closer to 50 km.