Karl Rappan (September 26, 1905 – January 2, 1996) was an Austrian footballer and coach. He played and managed mostly in Switzerland, where he won multiple titles. He had four tenures as coach of the Swiss national team, which he managed in three World Cups, and is the all-time leader in matches won as coach of the Swiss team. He introduced a major football strategy known as the "bolt", which gave origin to the catenaccio system. He also helped create the UEFA Intertoto Cup.