Harry A. Gair (January 15, 1894 – February 10, 1975) was an American trial lawyer. He was called the United States' most prominent trial lawyer in the field of negligence, or accident law, and unequalled as a court room nemesis to opposing medical witnesses. He was the founder of the firm of Harry A. Gair later known as the firm of Gair & Gair and with the addition of Robert L. Conason the firm of Gair, Gair & Conason. The firm continues to this day as .