Nathan Weston Spaulding (September 24, 1829 – October 8, 1903) was an American politician and landowner who served as the 15th Mayor of Oakland, California (1871-1873). He was also an inventor, holding a patent for an adjustable circular saw tooth. He created the Pacific Saw Manufacturing Company, which manufactured and sold all types of saws. Spaulding planted the Eucalyptus Tree Row in Carmel Valley, California to establish an entry to his to his Rancho Los Laureles ranch.