Samuel Galloway (March 20, 1811 – April 5, 1872) was a U.S. Representative from Ohio. Born in Gettysburg, Pennsylvania, Galloway attended local public schools. He moved to Ohio and settled in Highland County in 1830. He graduated from Miami University in Oxford, Ohio, in 1833. Galloway then attended Princeton Theological Seminary in 1835 and 1836. He taught school in Hamilton, Ohio, 1836 and 1837, at Miami University in 1837 and 1838, and Hanover College, Indiana, in 1839 and 1840. Presidential elector for Grant/Colfax in 1868. He was for thirteen years a ruling elder of the Presbyterian Church.