Association Sportive Olympique de Chlef is an Algerian professional football club based in Chlef, Chlef Province. The club was formed on June 13, 1947 as Association Sportive d'Orléansville, and played their first competitive match in 1947. The club has won a total of 3 major trophies, including the national championship 1 time also won the Algerian Cup 2 times.
This is a list of the seasons played by ASO Chlef from 1962 when the club first entered a league competition to the most recent seasons. The club's achievements in all major national and international competitions as well as the top scorers are listed. Top scorers in bold were also top scorers of Ligue 1. The list is separated into three parts, coinciding with the three major episodes of Algerian football:
Seasons
After independence
Below, the ASO Chlef season-by-season record after independence of Algeria :
Division shown in bold to indicate a change in division.
Top scorers shown in bold are players who were also top scorers in their division that season.
^Due to the 1980 El Asnam earthquake on October 10, that devastated the entire city of El Asnam, DNC Asnam is forced to forfeit. Given these exceptional circumstances, the club is not relegated to D2.