Chroodiscus is a genus of leaf-dwelling lichens in the family Graphidaceae.

It was first introduced by the Swiss lichenologist Johannes Müller Argoviensis in 1883 as a section of the genus Ocellularia.

In 1890 he promoted it to generic status.

[2] As of July 2024[update], Species Fungorum (in the Catalogue of Life) accepts 19 species of Chroodiscus:[3]

This Lecanoromycetes-related article is a stub.