Ariel Osvaldo Cozzoni (born 21 January 1964 in Rosario) is a former Argentine football striker. He played club football in Argentina, France and Mexico.
Cozzoni started his professional playing career in 1985 with Newell's Old Boys. He was loaned to Instituto de Córdoba for the 1988-1989 season, but returned in 1990 to help Newell's to win the 1990-1991 championship. During the season, he was the league's top goalscorer with 23 goals.
After the 1991 season he joined OGC Nice in France, he then went on to play for Toluca in Mexico before returning to Newell's in 1993.
In 1994 Cozzoni joined Club Atlético Banfield, but left later that year to join Central Córdoba in the Argentine 2nd division where he played until 1996.