Nakatsugawa-juku (中津川宿, Nakatsugawa-juku) was the forty-fifth of the sixty-nine stations of the Nakasendō. It is located in the present-day city of Nakatsugawa, Gifu Prefecture, Japan. During the Edo period, Nakatsugawa-juku reached a population of over 1,230 people and contained over 175 homes.