The 2004–05 Belarusian Cup was the 14th edition of the football knock-out competition in Belarus.
Contrary to the league season, the competition has been conducted in a fall-spring rhythm.
15 winners of previous round were joined by 16 clubs from Premier League.
Slavia Mozyr from Premier League advanced to the Round of 16 by drawing of lots.
Match involving Dinamo Minsk was rescheduled to 25 September 2004.