Jakov of Kamena Reka (Macedonian: Јаков од Камена Река, Serbian: Јаков из Камене реке; fl. 1564–72) or Jakov Krajkov (Јаков Крајков, Bulgarian: Яков Крайков) was a Venetian printer. The information about his life is scarce. It is known he was from a former village called Kamena Reka (literally, 'Stone River'), according to him near the town of Kolasia, in Osogovo, Macedonia. It is assumed that the village could be Makedonska Kamenica in present-day North Macedonia, or Kamenichka Skakavitsa, in present-day Bulgaria, both placed in an area in Osogovo called Kamenitsa, near the town of Kyustendil, then called Kolasia. Also, in some works his birthplace is connected with Kamena Reka, near Kolasin in Herzegovina in today Montenegro. Nevertheless, that view is criticized as 19th century Šafárik'