Diarrheneae
{{Short description|Tribe of grasses}}
{{Automatic taxobox
|image = Diarrhena_americana_HC-1950.jpg
|image_caption = Diarrhena americana
|display_parents = 2
|taxon = Diarrheneae
|authority = C.S. Campb. (1985)
|subdivision_ranks = Genera
|subdivision =
|synonyms =
subtribe Diarrheninae Ohwi (1941)
}}
Diarrheneae is a tribe of grasses, containing two genera.{{cite journal|last1=Soreng|first1=Robert J.|last2=Peterson|first2=Paul M.|last3=Romaschenko|first3=Konstantin|last4=Davidse|first4=Gerrit|last5=Teisher|first5=Jordan K.|last6=Clark|first6=Lynn G.|last7=Barberá|first7=Patricia|last8=Gillespie|first8=Lynn J.|last9=Zuloaga|first9=Fernando O.|title=A worldwide phylogenetic classification of the Poaceae (Gramineae) II: An update and a comparison of two 2015 classifications|journal=Journal of Systematics and Evolution|volume=55|issue=4|year=2017|pages=259–290|issn=1674-4918|doi=10.1111/jse.12262|doi-access=free|hdl=10261/240149|hdl-access=free}} {{open access}}