The Mostar derby (Serbo-Croatian: Mostarski gradski derbi) is a football rivalry in Mostar, Bosnia and Herzegovina between HŠK Zrinjski and FK Velež.

Zrinjski was a reasonably successful club in the first half of the century, but was banned by communist Yugoslav authorities for competing in the 1.

HNL under the Ustaše regime during World War II.

After the independence of Bosnia and Herzegovina, Zrinjski was reestablished.

Over the course of the war and in its aftermath Mostar became a divided city with the Croats holding the west side and the Bosniaks the east, with those remaining Serbs living in the east as well.

Zrinjski took over Velež's Bijeli Brijeg Stadium, as it was located deep inside the informal Croat territory of the Federation of Bosnia and Herzegovina, thus forcing Velež to move to Vrapčići stadium (later renamed to Rođeni Stadium).

1 The match was abandoned after the hooligans of Zrinjski stormed the pitch and started chasing Velež players with various items.

The field storm took place in the last minutes of the game just after Velež scored for 0–1 against their city rivals.

The disciplinary and contest commission decided to award a 0–3 win to Velež, suspended "Bijeli Brijeg", Zrinjski home stadium, for 5 matches and punished Zrinjski with a fine.