The Hrvatski nogometni kup (English: Croatian football cup), also colloquially known as Rabuzinovo sunce (lit.

The competition has historically been dominated by the two Eternal Derby sides—the most successful club is Dinamo Zagreb (formerly known in the 1990s as HAŠK Građanski and Croatia Zagreb) who appeared in 23 finals and won 16 titles, followed by Hajduk Split who won 8 titles out of 13 finals they appeared in.

[1] Sixteen winners of the preliminary ties go on to the first round proper (round of 32), where they are joined by the sixteen best-ranked clubs according to cup coefficient (this usually means all First League clubs and a handful of best-ranked lower level teams).

Until the 2014–15 season, from the quarter-finals onward, the competition employed a two-legged tie format, with winners progressing through on aggregate score.

If the score remains level after extra time, a penalty shootout takes place to determine tie winners.