Thomas Wharton Phillips (February 23, 1835 – July 21, 1912) was a Republican member of the U.S. House of Representatives from Pennsylvania.
Thomas W. Phillips (father of Thomas Wharton Phillips, Jr.) was born near Mount Jackson, Pennsylvania, in that section of Beaver County, Pennsylvania, now included in Lawrence County, Pennsylvania. He attended the common schools and was also privately instructed. He engaged in the production of oil, and served as president of the Producers’ Protective Association from 1887 to 1890. He was president of the Citizens’ National Bank of New Castle, Pennsylvania, and a member of the board of trustees of Bethany College, West Virginia, and of Hiram College, Ohio.
Phillips was elected as a Republican to the Fifty-third and Fifty-fourth Congresses. He was the Chairman of the United States House Committee on Labor during the Fifty-fourth Congress. He did not seek renomination in 1896. He resumed his former pursuits, and was appointed a member of the United States Industrial Commission by President William McKinley and served until its dissolution. He was a delegate to the Republican National Convention in 1908. He died in New Castle. Interment in Oak Park Cemetery, New Castle, Pennsylvania.