There is provided an electronic component enclosure. The electronic component enclosure includes: an upper enclosure and a lower enclosure. The upper enclosure includes: an upper plate portion; an upper sidewall portion extending from a periphery of the upper plate portion; and a hook member extending from the upper sidewall portion. The lower enclosure is engaged with the upper enclosure, and includes: a lower plate portion; a lower sidewall portion extending from a periphery of the lower plate portion; and a reception member extending from the lower sidewall portion and engaging with the hook member.