Nakatsu is a city in Ōita Prefecture, Japan.

Nakatsu may also refer to:

Nakatsu, Wakayama, a former village in Hidaka District, Wakayama Prefecture, Japan Nakatsu Station (disambiguation), multiple railway stations in Japan Nakatsu River, a river of Iwate Prefecture, Japan Nakatsu Domain, a former Japanese domain

People with the surname , Japanese voice actress and actress