Alfredo Marini (born December 12, 1915) was an Italian professional footballer.
He played for 2 seasons (3 games) in the Serie A for A.S. Roma.
Marini played for A.S. Roma between 1935 and 1936. His debut was on 29 September 1935 in a 2-1 away loss that he started in against Genoa.
His first and only home game came on 6 December 1936 in a 1-0 loss to Bologna. His final match for the club was two weeks later on 20 December, a 1-0 loss away to Milan.
His older brother also played football professionally, to distinguish them, Alfredo was referred to as Marini II.