A linear actuator for endoscope includes: a movable frame made of a magnetic material； a fixed frame in which the movable frame is provided so as to be movable forward and backward, the fixed frame being made of a non-magnetic material； two coils formed by being wound on an outer surface of the fixed frame, the two coils being disposed side by side in a longitudinal axis direction； a permanent magnet disposed in a manner stacked and superimposed on the two coils； and two yokes respectively disposed at a front and a back of the permanent magnet and the two coils.
