Norman Clyde (April 8, 1885 – December 23, 1972) was a mountaineer, mountain guide, freelance writer, nature photographer, and self-trained naturalist. He is well known for achieving over 130 first ascents, many in California's Sierra Nevada and Montana's Glacier National Park. He also set a speed climbing record on California's Mount Shasta in 1923.The Bancroft Library at the University of California, Berkeley has 1467 articles written by Clyde in its archives.