Abstract: Provided is a lens holder comprising: a mounting hole into which a condenser lens part of the objective lens is to be inserted; a peripheral part which surrounds the mounting hole and on which a flange part of the objective lens is to be mounted; and three protrusions provided in the peripheral part to be spaced apart from each other and to protrude higher than a main surface of the peripheral part. Also provided is an optical pickup apparatus comprising the lens holder and an objective lens supported with a condenser lens part inserted into the mounting hole of the lens holder, and with the flange part being in contact with the three protrusions.