Conrad Kain (10 August 1883, Nasswald – 2 February 1934, Cranbrook, British Columbia) was an Austrian mountain guide who guided extensively in Europe, Canada, and New Zealand, and was responsible for the first ascents of more than 60 routes in British Columbia. He is particularly known for pioneering climbs in the Purcell Mountains and the first ascents of Mount Robson (1913), Mount Louis (1916) and Bugaboo Spire (1916).