Samak b. Aws b. Kharasha b. Lawdhan (Arabic: سماک بن اوس بن خَرَشَة بن لوذان) (b. ? - d. 12/633), famous as Abu Dujana is of Ansar and companions of the Prophet (s). He participated in the battles of Badr, Uhud and other Ghazwas (battles) and was among the few companions who stood beside the Prophet (s) in the Battle of Uhud and and protected him despite the progress and victories of the pagan enemies. He was martyred in a battle against Musaylama al-Kadhdhab in 12/633.