Lavagh may refer to one of several populated places in the Republic of Ireland:
Lavagh, County Cavan Lavagh, County Galway Lavagh (Drumahaire barony), County Leitrim Lavagh (Leitrim barony), County Leitrim Lavagh, County Offaly Lavagh, County Roscommon Lavagh, (Leyny barony), County Sligo Lavagh, (Tireragh barony), County Sligo