Conventus is a genus of freshwater bivalves in the family Sphaeriidae. Species in this genus are known from Europe, North America, and South Asia, including Arctic regions.
Conventus was initially described as a subgenus of Neopisidium in 1974 by V.V. Pirogov and Yaroslav Starobogatov. It has also been considered a subgenus of Euglesa. Conventus was elevated to generic status in a 2024 article published in the Zoological Journal of the Linnean Society based on phylogenetic analysis.
This genus includes the following species: