Caloboletus is a fungal genus in the family Boletaceae.

It was circumscribed by Italian mycologist Alfredo Vizzini with Caloboletus calopus as the type species.

[1] The erection of Caloboletus follows recent molecular studies that outlined a new phylogenetic framework for the Boletaceae.

[4] The generic name Caloboletus, derived from the Greek calos "nice", refers to the attractive red coloring of the stipe.

[1] As of August 2023[update], Index Fungorum lists the following species: