Aghaloughan is the name of several townlands in the island of Ireland. Its name derives from the Irish Achadh an Locháin, meaning "field of the lake".
Aghaloughan, a townland in County Antrim, Northern Ireland A townland in County Cavan, Republic of Ireland; see List of townlands of County Cavan A townland in County Longford, Republic of Ireland; see List of townlands of County Longford A townland in County Monaghan, Republic of Ireland; see List of townlands of County Monaghan