Jim Perrin (born 1947) is a renowned British rock climber, writer, and outdoor commentator. Known for his pioneering traditional climbs in Wales and northern England, he has established numerous classic routes. Perrin is also a celebrated author of climbing literature, including biographies and historical works. His writing combines technical precision with literary flair, influencing modern climbing culture. He contributes regularly to The Guardian and other media, and has received lifetime achievement awards for his contributions to outdoor sports.