The 2008–09 Serbian Cup season was the third season of the Serbian national football tournament. The competition started on 3 September 2008 and ended with the final on 21 May 2009. The defending champions FK Partizan successfully defended their title.

Awards

Preliminary round

A preliminary round was held in order to reduce the number of teams competing in the next round to 32 and featured six teams from Serbian lower divisions. The matches were played on 3 September 2008. Note: Roman numerals in brackets denote the league tier the clubs participate in during the 2008–09 season.

Round of 32

In this round entered three winners from the previous round as well as all 12 teams from Serbian Superliga and several teams from Serbian second and third division. The matches were played on 24 September 2008. 1The match was played in Šid. 2The match was played in Zvečan. Note: Roman numerals in brackets denote the league tier the clubs participate in during the 2008–09 season.

Round of 16

The matches were played on 12 November 2008. Note: Roman numerals in brackets denote the league tier the clubs participate in during the 2008–09 season.

Quarter-finals

Note: Roman numerals in brackets denote the league tier the clubs participate in during the 2008–09 season.

Semi-finals

Note: Roman numerals in brackets denote the league tier the clubs participate in during the 2008–09 season.

Final

Note: Roman numerals in brackets denote the league tier the clubs participate in during the 2008–09 season.