The Thomas Iron Company was a major iron-making firm in Hokendauqua, Pennsylvania in the Lehigh Valley region of eastern Pennsylvania from its founding in 1854 until its decline and eventual dismantling in the early 20th century.

Hokendauqua is an unincorporated community and census-designated place (CDP) in Whitehall Township in Lehigh County, Pennsylvania, United States. The population of Hokendauqua was 3,340 as of the 2020 census. Hokendauqua is a suburb of Allentown, Pennsylvania in the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.