Richville is an unincorporated community in southeastern Douglas County, Missouri, United States. Richville is located at the intersection of Missouri State Route 14 and State route W and a short distance west of the intersection of Route 14 and Missouri State Route 181. The site is located on a high ridge at an elevation of . Sauls Knob at lies just to the southeast on the south side of Route 14.
A post office called Richville was established in 1870, and remained in operation until 1933. The community was named after the local Rich family.