Aaron Harding (January 2, 1805 - December 24, 1875) was a United States Representative from Kentucky. He was born near Campbellsville, in what is now Green County, where he attended rural schools. He became familiar with the classics, studied law, was admitted to the bar in 1833, having commenced his practice in Greensburg, Kentucky. He was also known as Aaron Hardin.Harding was elected prosecuting attorney of Green County in 1833.