Augustin Pax "Coco" Deleanu (23 August 1944 – 27 March 2014) was a Romanian footballer, who played as a left back.

Augustin Pax Deleanu, nicknamed "Coco" was born on 23 August 1944 in Măgurele, Romania and started to play football in 1960 at the junior squads of Steaua București.

[7][2][3] He played five matches at the 1972 Euro qualifiers, managing to reach the quarter-finals where Romania was defeated by Hungary, who advanced to the final tournament.

[7] Augustin Deleanu played a total of five matches at the 1974 World Cup qualifiers, including his last appearance for the national team which took place on 14 October 1973 in Romania's biggest ever victory, a 9–0 against Finland.

[10][11] After he ended his playing career, Deleanu became a referee, arbitrating matches in Romania's top-league Divizia A and had different administration positions at Dinamo București, between 1990 and 1994 being the vice-president of the club.