An electronic device including: a circuit board on which an electronic component is mounted; a plate material which is used as a ground, the plate material being extended in parallel with the circuit board; and a ground connection member which includes a fixed section and multiple elastic leg sections, the fixed section being tightened to the circuit board and connected to a ground on the circuit board, the elastic leg sections being extended from the fixed section toward different directions along the circuit board, each of the elastic leg sections being extended onto the plate material side to elastically press the plate material.