Lamp for vehicle

A lamp for a vehicle provided in a side mirror of the vehicle, comprising:

• a light source unit including a light source and a light guide unit which emits light incident from the light source to form an image having a predetermined shape;
• a lamp assembly including a lamp housing and a lens unit coupled to the lamp housing to form a space for accommodating the light source unit and a plurality of lamp components;
• a position fixing unit formed on one side in the lamp assembly to fix a position of the light source unit, wherein the position fixing unit comprises:
• a first contact portion that contacts at least a portion of a lower surface of the light guide unit;
• and
• a second contact portion that contacts at least a portion of an upper surface of the light guide unit;
• and
• a half mirror disposed in front of the light guide unit,
• wherein the half mirror and a lamp component that faces the half mirror among the plurality of lamp components reflect the light emitted from the light guide unit to each other to form an original image of the light guide unit and at least one repetitive image formed by reflecting the original image.