Karl John is a Swiss orienteering competitor. He received an individual silver medal at the 1970 World Orienteering Championships, and a silver medal in relay in 1972. References Year of birth missing (living people) Living people Swiss orienteers Male orienteers Foot orienteers World Orienteering Championships medalists

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Not who you're looking for? Others named Karl John: 1905–1977; German film actor (1905–1977)