András (Andreas) Ede Zsigmond Alföldi (27 August 1895 – 12 February 1981) was a Hungarian historian, art historian, epigraphist, numismatist and archaeologist, specializing in the Late Antique period. He was one of the most productive 20th-century scholars of the ancient world and is considered one of the leading researchers of his time. Although some of his research results are controversial, his work in several areas is viewed as groundbreaking.