Sclerotinia
{{Taxobox
| image = Sclerotinia sulcata 352526.jpg
| image_width = 240px
| image_caption = Sclerotinia sulcata
| regnum = Fungi
| divisio = Ascomycota
| classis = Leotiomycetes
| ordo = Helotiales
| familia = Sclerotiniaceae
| genus = Sclerotinia
| genus_authority = Fuckel (1870)
| type_species = Sclerotinia libertiana
| type_species_authority = Fuckel (1870)
| subdivision_ranks = Species
| subdivision = see text'
}}Sclerotinia is a genus of fungi in the family Sclerotiniaceae. The widely distributed genus contains 14 species.

Taxonomy
A number of species previously assigned to Sclerotinia are now considered to be members of the closely related genus, Botrytis.

Species
Selected species include ;S. borealisS. bulborum (Wakker) Sacc. S. homoeocarpa F.T. Benn.  S. minor Jagger S. riciniS. sclerotiorum (Lib.) de Bary 
S. spermophila Noble 
S. sulcata
S. trifoliorum Erikss.  
S. veratri