A handheld singing apparatus, capable of being cooperated with a handheld electronic device having a screen for operation, includes a holding member, a supporting seat and a connecting portion. The holding member is approximately formed as rod shaped and has a first end and a second end opposite to the first end. The supporting seat is capable of receiving and fastening with the handheld electronic device, so that the screen is faced to a direction far from the holding member. The connecting portion is connected between the first end of the holding member and the supporting seat, so that the supporting seat is rotatable relative to the holding member.