Lay Armachiho () is a woreda in Amhara Region, Ethiopia. This woreda is named after "Armachiho", a province in northwestern Ethiopia along the border with Sudan and south of the Tekezé River.
The name "Lay Armachiho" refers to a woreda (administrative division) in Amhara Region, Ethiopia. It's derived from the historical province of Armachiho, situated in northwestern Ethiopia near the borders with Sudan and south of the Tekezé River.