Passaloecus is a genus of wasps in the family Pemphredonidae.

[1] The 40 species are found in the Nearctic.

They are especially represented in the Palearctic [2] These 48 species belong to the genus Passaloecus: Data sources: i = ITIS,[3] c = Catalogue of Life,[4] g = GBIF,[5] b = Bugguide.net[6]