Naman gwari na kawa wani nau'in naman kaza ne da ake ci wanda yawanci ke tsirowa akan bishiyu kuma ana siffanta shi da hularsa mai siffar fan, wanda yayi kama da harsashi na kawa. Sunan kimiyya na wannan naman gwari shine Pleurotus ostreatus. "Oyster" yana nufin siffar hular kuma "naman gwari" yana nufin cewa nau'in naman kaza ne.
