Avenae may refer to:
Acidovorax avenae, former scientific name for Acidovorax citrulli Aphelenchus avenae, nematode Cymindis avenae, species of ground beetle Erysiphe graminis f. sp. avenae, plant pathogen Gaeumannomyces graminis var. avenae, plant pathogen Heterodera avenae, plant pathogen Puccinia coronata f.sp. avenae, plant pathogen Pyrenophora avenae, species of fungus Sitobion avenae, aphid Spermospora avenae, plant pathogen Stagonospora avenae f.sp. triticae, plant pathogen Ustilago avenae, plant pathogen