Japanolaccophilus is a genus of predaceous diving beetles in the family Dytiscidae. There are at least two described species in Japanolaccophilus, one alive today and the other extinct.
Species
These two species belong to the genus Japanolaccophilus:
Japanolaccophilus niponensis (Kamiya, 1939) (Japan and southern Asia)
†Japanolaccophilus beatificus Balke & Hendrich, 2019 (found in Baltic amber)