Lampyris is a genus of beetles in the Lampyridae. In most of western Eurasia, they are the predominant members of this family and includes the European common glow-worm, which is the type species. They produce a continuous glow; the larvae and larviform females are among those organisms commonly called "glowworms".

This genus is rather close to Pleotomus and its relatives. These were formerly separated as tribe Pleotomini, but appear to be a specialized offshoot of the Lampyrini.

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