The Uleiellaceae are a family of smut fungi in the order Ustilaginomycetes.
The family contains the single genus Uleiella, which has two species.
[1] The genus was circumscribed by Joseph Schröter in Hedwigia vol.33 Beibl.
The genus name of Uleiella is in honour of Ernst Heinrich Georg Ule (1854–1915), who was a German botanist and plant collector.
[2] As accepted by Species Fungorum;[3]