Fatigue life of AlSi10Mg specimens with semi-circular notch manufactured by Laser Powder Bed Fusion was experimentally determined. The fatigue life in the high cycle fatigue region is strongly influenced by the microstructure, the as-built surface quality of the notch root, both of which depend on the notch orientation with respect to the build direction and by residual stresses. (c) 2022 The Authors. Published by Elsevier B.V.