James Sather Hutchinson (1867–1959) was a lawyer in San Francisco, California, a mountaineer and an environmentalist. He was most noted for being an explorer of the Sierra Nevada. Born in San Francisco, Hutchinson attended the University of California, Berkeley and then transferred to Harvard University where he received an A.B. degree in 1897. He attended the Hastings College of Law and received his LL.B. in 1899. His career as an attorney in San Francisco lasted 60 years, and he appeared in court on his 90th birthday.