Alexander Merrill Hardy (December 16, 1847 – August 31, 1927) was a U.S. Representative from Indiana.
Born in Simcoe, Norfolk County, Ontario, Canada, Hardy pursued a college course and studied law. He came to the United States in 1864, taking a commercial course at Eastman College, Poughkeepsie, New York. He went to New Orleans in 1869, where he engaged in newspaper work until 1873, when he moved to Natchez, Mississippi. He conducted a Republican newspaper until 1877. He served as collector of the port of Natchez under appointment of President Grant. He moved to Washington, Indiana, in 1884. He was admitted to the bar in 1884 and commenced practice in Terre Haute, Indiana.
Hardy was elected as a Republican to the Fifty-fourth Congress (March 4, 1895-March 3, 1897). He was an unsuccessful candidate for reelection in 1896 to the Fifty-fifth Congress. He resumed the practice of law in Washington, Indiana. He moved to Los Angeles, California, in 1904 and continued the practice of law. He moved to Searchlight, Nevada, thence to Salt Lake City, Utah, and finally settled in Tonopah, Nevada, in 1914 and engaged in the practice of his profession. He was also interested in mining. He died in Tonopah, Nevada, on August 31, 1927, and was interred in Tonopah Cemetery.