Jim Bridwell (July 29, 1944 – February 16, 2018) was an American climber and mountaineer. Active since 1965, particularly in Yosemite Valley, but also in Patagonia and Alaska, he is renowned for having pushed the standards of free climbing and multi-pitch climbing, and later alpine climbing.

He wrote numerous articles on climbing for major sports publications. He trained with Royal Robbins and Warren Harding (climber), both free climbing pioneers in the 1970s. He was the unofficial leader of the Stonemasters.