Pro Evolution Soccer 5 (known as World Soccer: Winning Eleven 9 in North America and Japan, sometimes mislabeled as World Soccer Winning Eleven 9 International) is a football video game developed and produced by Konami as part of the Pro Evolution Soccer series.

With featuring Arsenal and Chelsea it is the first release of the series which offered fully licensed clubs from the Premier League, which is one of the 3 unlicensed leagues of the game. There are also 3 licensed leagues just like in the predecessor Pro Evolution Soccer 4. The game also includes 3 fully licensed leagues, which are the Spanish Liga Española, the Dutch Eredivisie and the Italian Serie A (with the exception of Cagliari).

As with previous versions, the game features an edit mode allowing the player to edit certain elements of the game. It was the last release to feature the German Bundesliga (in the game as German League) for Pro Evolution Soccer Installment before it was replaced by a generic league because of losing the license for the following releases.

Pro Evolution Soccer 5 marked the series first appearance on the PSP. The game was also the first in the series to feature online play for the PlayStation 2. Within online play, statistics and league points are stored on the server for each game played. These points determine a teams (players) position within the five online divisions. PES 5 was succeeded by Pro Evolution Soccer 6, which was released in 2006.