- Source: Londonderry, Guernsey County, Ohio
- Londonderry, Guernsey County, Ohio
- Guernsey County, Ohio
- Londonderry Township, Guernsey County, Ohio
- Londonderry (disambiguation)
- List of Irish place names in other countries
- List of U.S. places named after non-U.S. places
- Madison Township, Guernsey County, Ohio
- Oxford Township, Guernsey County, Ohio
- Washington Township, Guernsey County, Ohio
- Kirkwood Township, Belmont County, Ohio
Londonderry is an unincorporated community in Londonderry Township, Guernsey County, Ohio, United States.
History
Londonderry was platted in 1815. The community takes its name from Londonderry, in Northern Ireland. A post office was established at Londonderry in 1819, and remained in operation until 1907.