A portable working machine (1) comprising: an engine (14)； a frame (3) which holds the engine； front handle (5) and a rear handle (9) which are provided to the frame； and a power conversion unit (6) for transmitting an output from the engine to drive a working tool (4), wherein the engine, the power conversion unit and the working tool being held by the frame via an elastic member (20), and wherein the front handle and the elastic member are disposed so that an axis passing through a center of an attachment portion of the front handle and an axis passing through a center of an attachment portion of the elastic member substantially coincide with each other.
