Otterville is a small unincorporated community in Buchanan County, Iowa, United States, northwest of Independence.
Otterville lies in section 9 of Washington Township. It is at the junction of Otterville Blvd (County Highway D16) and Henley Avenue.
Although the community was founded in the 19th century, the townsfolk never incorporated the community. Otterville remains a small community halfway between Independence and Littleton.
Otterville's population was 94 in 1900, and was 100 in 1925. The population was 50 in 1940.