Robert Walter Miers (January 27, 1848 - February 20, 1930) was a U.S. Representative from Indiana.
Born near Greensburg, Indiana, Miers attended the common schools. He was graduated from the academic department of Indiana University at Bloomington in 1870 and from its law department in 1871. He was admitted to the bar in April 1872 and commenced practice in Bloomington, Indiana. He served as prosecuting attorney for the tenth judicial circuit of Indiana 1875-1879. He served as member of the State house of representatives in 1879, and was a member of the board of trustees of Indiana University 1879-1897. He was appointed judge of the tenth judicial circuit of Indiana in 1883, elected in 1884 and again in 1890, and served until September 1896, when he resigned to become a candidate for Congress. He was an unsuccessful Democratic nominee for Indiana Secretary of State in 1886 and in 1888.
Miers was elected as a Democrat to the Fifty-fifth and to the three succeeding Congresses (March 4, 1897-March 3, 1905). He was an unsuccessful candidate for reelection in 1904 to the Fifty-ninth Congress. He resumed the practice of law.
Miers was again elected judge of the tenth circuit of Indiana on November 3, 1914, and served until November 22, 1920. He continued the practice of law in Bloomington, Indiana, until 1928. He died while on a visit in Martinsville, Indiana, February 20, 1930. He was interred in Rosehill Cemetery, Bloomington, Indiana.