Martinstown

Martinstown may refer to:

Island of Ireland

 * Martinstown, County Antrim, Northern Ireland
 * Martinstown, Delvin, a townland in the civil parish of Delvin, barony of Delvin, County Westmeath, Republic of Ireland
 * Martinstown, Lickbla, a townland in the civil parish of Lickbla, barony of Fore, County Westmeath, Republic of Ireland
 * Martinstown, St. Mary's, a townland in the civil parish of St. Mary's, barony of Fore, County Westmeath, Republic of Ireland
 * Martinstown, Stonehall, a townland in Stonehall civil parish, barony of Corkaree, County Westmeath, Republic of Ireland

Elsewhere

 * Martinstown, Missouri, a community in the United States
 * Winterborne St Martin, Dorset, England, commonly known as Martinstown