Tahtay Maychew (Tigrinya "Lower Salty Water") is one of the woredas in the Tigray Region of Ethiopia. Part of the Mehakelegnaw Zone, Tahtay Maychew is bordered on the south by Naeder Adet, on the west by the Semien Mi'irabawi (North Western) Zone, on the north by Mereb Lehe, and on the east by La'ilay Maychew.