The Chaconiaceae are a family of rust fungi in the order Pucciniales.

The family contained 8 genera and 75 species in 2008.

Maravalia cryptostegiae has been used with success as a biocontrol agent against rubber vine in Australia.

[3] As accepted by Wijayawardene et al. 2020;[2] Note: the genera Achrotelium Syd.

and Botryorhiza Whetzel & Olive are now placed in the Zaghouaniaceae.