Kashpir Ganusov (Russian: Кашпир Ганусов) was a Russian bellmaker of the 16th century. The information about Kashpir Ganusov is scarce. It is difficult to tell what nationality he was or where he came from. We can only cautiously assume that Kashpir Ganusov was one of those craftsmen who had left the Grand Duchy of Lithuania in the first half of the 16th century. According to the documents and archives, Kashpir Ganusov was working at the court of Ivan the Terrible in 1550s. In 1554, the cannon yard produced a huge bell weighing 19,657 kg, which would later receive the name of Lebed’ (Лебедь, or "swan"). This bell didn't survive to this day, but we only know of one bell maker in Moscow of that time, who could have cast it. Based on this, Kashpir Ganusov is considered the maker of this bell