G. apiahyna G. chusqueae G. late-maculans Gilletiella is a genus of fungi in the class Dothideomycetes.
[1] The genus name of Gilletiella is in honour of Claude Casimir Gillet (1806 – 1896), who was a French botanist and mycologist.
He initially trained as a medical doctor and veterinarian.
[2] The genus was circumscribed by Pier Andrea Saccardo and Paul Sydow in Syll.
The relationship of this taxon to other taxa within the class is unknown (incertae sedis).