Lonedell is an unincorporated community in southeastern Franklin County, Missouri, United States. It is at the intersection of Route 30 and routes N and FF and approximately eight miles east of St. Clair. The Little Meramac River flows just south of the community.
- U.S. Geological Survey Geographic Names Information System: Lonedell, Missouri
- Missouri Atlas & Gazetteer, DeLorme, 1998, First edition, p. 48 ISBN 0-89933-224-2
- "Post Offices". Jim Forte Postal History. Retrieved 30 September 2016.
- "Franklin County Place Names, 1928–1945 (archived)". The State Historical Society of Missouri. Archived from the original on 24 June 2016. Retrieved 30 September 2016.CS1 maint: bot: original URL status unknown (link)