The present invention relates to a transparent sealing member and an optical component. The present invention is a transparent sealing member (10A) used in an optical component (100A) provided with a package (16A) having at least one optical element (14) emitting ultraviolet light (12) and a mount board (18) to which the optical element is mounted. The transparent sealing member (10A) is provided with a transparent body (24) joined on the mount board (18) via an organic adhesion layer (20), and the transparent body (24) has a housing space (26) in a lower surface opening.