﻿AbstractThe Vietnamese fauna of bees in theAnthidiellumCockerell (Megachilinae,Anthidiini) is reviewed. Seven species are recognized, representing two subgenera. Five new species are described and figured as:Anthidiellum(Clypanthidium)nahangTran, Engel & Nguyen,sp. nov.,A.(Pycnanthidium)ayunTran, Engel & Nguyen,sp. nov.,A.(P.)chumomrayTran, Engel & Nguyen,sp. nov.,A.(P.)flavaxillaTran, Engel & Nguyen,sp. nov., andA.(P.)cornuTran, Engel & Nguyen,sp. nov.from the northern and central highlands of Vietnam. Two previously described species are newly recorded for the fauna:A.(P.)carinatum(Wu) andA.(P.)coronum(Wu), with the male of the latter species described and illustrated for the first time. An identification key is provided for all species ofAnthidiellumoccurring in Vietnam.