Altoman Vojinović (Serbian: Алтоман Војиновић; fl. 1335–59) was a Serbian magnate (velikaš) who served Emperor Stefan Dušan (r. 1331–55) as župan ("count") and Emperor Uroš V (r. 1355–71) as veliki župan ("grand count"). His father Vojin was a general (vojvoda) with the title of knez, while his younger brother Vojislav also had the title of knez.