The Doassansiaceae are a family of fungi in the division Basidiomycota and order of Doassansiales. The family contains 11 genera and about 58 species. They have a widespread distribution. Doassansiaceae is also known and classified as a smut fungi.

They have parasitic hyphae with clamps, they are also teliosporic (have a thick-walled resting spore) and dimorphic (can be mold or yeasts) as well as not forming ballistoconidia (air discharged spores) in the haploid phase. The do not have haustoria (root-like structures).

When the family was originally created (by R. Bauer and Oberw. 1997), it had 7 genera (Burrillia, Doassansia, Heterodoassansia, Nannfeldtiomyces, Narasimhania, Pseudodoassansia and Tracya) and 36 species. Then Doassinga was added in 1998. Others were added after this date, such as Pseudodermatosorus in 1999.

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