An optical fiber holding component includes a ferrule; an optical fiber including a front end portion which is inserted into the ferrule and is fixed thereto, and includes a rear end side drawn to an outside from a rear end of the ferrule; a holder which surrounds part of the optical fiber drawn from the rear end of the ferrule and holds a rear end portion of the ferrule; and a case including a press-fitted region press-fitted to a front end side portion of the holder which is located at a position closer to a front end side than to a rear end surface position of the ferrule, the case including a covering portion situated closer to a rear end side than to the press-fitted region, the covering portion having an inner diameter larger than an outer diameter of the holder and surrounding the holder.