1990–91 Yugoslav Cup Second round Second round

| Tie_no | Team_1 | Agg_ | Team_2 | _1st_leg | _2nd_leg |
|---|---|---|---|---|---|
| 1 | Borac Banja Luka | 2–1 | Osijek | 2–0 | 0–1 |
| 2 | Budućnost Titograd | 2–1 | Partizan | 2–0 | 0–1 |
| 3 | Dinamo Zagreb | 5–1 | Sarajevo | 1–0 | 4–1 |
| 4 | Hajduk Split | 3–3 ( a ) | Pelister Bitola | 1–1 | 2–2 |
| 5 | OFK Belgrade | 3–2 | Željezničar Sarajevo | 2–1 | 1–1 |
| 6 | Proleter Zrenjanin | 2–0 | Koper | 2–0 | 0–0 |
| 7 | Sloboda Tuzla | 3–4 | Rijeka | 2–0 | 1–4 |