Bicyclus dubia

{{Short description|Species of butterfly}}

{{Speciesbox

| name= Dubious scalloped bush brown

| image = SeitzFaunaAfricanaXIIITaf27.jpg

| image2 =

| taxon = Bicyclus dubia

| authority = (Aurivillius, 1893)[http://ftp.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/nymphalidae/satyrinae/bicyclus/ "Bicyclus Kirby, 1871"] at Markku Savela's Lepidoptera and Some Other Life Forms

| synonyms = *Mycalesis dubia Aurivillius, 1893

}}

Bicyclus dubia, the dubious scalloped bush brown, is a butterfly in the family Nymphalidae. It is found in Cameroon, the Central African Republic, the southern part of the Democratic Republic of the Congo, western Uganda, north-western Tanzania and north-western Zambia.{{Cite web |url=http://atbutterflies.com/downloads/nymphalidae_mycalesina.doc |title=Afrotropical Butterflies: File E – Nymphalidae - Subtribe Mycalesina |access-date=2012-05-15 |archive-date=2014-02-22 |archive-url=https://web.archive.org/web/20140222070833/http://atbutterflies.com/downloads/nymphalidae_mycalesina.doc |url-status=dead }} The habitat consists of swamp and riverine forests.

Adults are attracted to fermented bananas.

The larvae feed on Poaceae species.