William Franklin Herrin (August 7, 1854 – February 28, 1927) was an American lawyer, businessman, banker and real estate developer.

[1] Later, he served as Chief Counsel of the Southern Pacific Railroad, where he was critical of government overregulations.

[4] In 1900, together with Burton E. Green (1868-1965), Charles A. Canfield (1848-1913), Max Whittier (1867–1928), Frank H. Buck (1887-1942), Henry E. Huntington (1850-1927), William G. Kerckhoff (1856–1929), W.S.

Porter and Frank H. Balch, known as the Amalgamated Oil Company, he purchased Rancho Rodeo de las Aguas from Henry Hammel and Andrew H. Denker and renamed it Morocco Junction.

[8] Herrin resided at 2530 Broadway at Scott Street in San Francisco, California, in a house designed by architect Julius E.