William Russell Roesch (born July 1865) was the first mayor of Eau Gallie, Florida. He served six-terms in 1896, 1901, 1905, 1908, 1924, and 1925. He was the founder and editor of the newspaper The Eau Gallie Record. He also served as postmaster. Roesch, was the first town treasurer of Eau Gallie in 1887. In 1913, President Woodrow Wilson appointed Roesch postmaster of Eau Gallie, and reappointed him in 1918. In 1921, he was reappointed by President Warren Harding. Roesch was also member of the local volunteer fire department.