Christian Thum also known as von Thum, Thumb, Theun and Thun (d. 1655), was a Swedish (originally German) actor and theater director. He belongs to the earliest identifiable professional actors active in Sweden, was the leader of the theater of the Swedish royal court in 1628-1645, and the founder of the likely first theater in Sweden and Scandinavia, Björngårdsteatern (1640).[1]