An optical module includes a semiconductor substrate, an electrostatic actuator including a fixed portion fixed to the semiconductor substrate and a movable portion moved with respect to the fixed portion by an electrostatic force generated between the movable portion and the fixed portion, a first spring portion connected to the movable portion and having a first spring constant K1, a second spring portion connected between the first spring portion and the semiconductor substrate and having a second spring constant K2 greater than the first spring constant K1, and a movable mirror which is an optical component connected to a connection portion between the first spring portion and the second spring portion.