The 2015 Colonia Cup was a summer football friendly tournament organized by German club 1.

FC Köln and hosted at the RheinEnergieStadion in Cologne, from 1 to 2 August 2015.

Besides the hosts, three other European teams took part: Porto (Portugal), Valencia (Spain), and Stoke City (England).

[1] The tournament consisted of four matches (two matches per day), with wins being awarded three points and losses awarded zero points.

In case of a draw at the end of 90 minutes of play, a penalty shoot-out would take place to determine the winners.