Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 03/1957 |  | Željko Matuš | DF | |||
| 03/1957 | | Josip Šikić | MF | |||
| 03/1957 | | Dionizije Dvornić | FW | |||
| 12/1956 |  | Gordan Irović | GK | |||
| 12/1956 | | Ivica Banožić | DF | |||
| 12/1956 | | Vladimir Klaić | MF | |||
| 12/1956 |  | Lev Mantula | MF | |||
| 12/1956 | | Aleksandar Benko | FW | |||
| 12/1956 | | Marijan Kolonić | FW | |||
| 12/1956 | | Branko Rezar | FW | |||
| 06/1956 | | Vladimir Maček | GK | |||
| 06/1956 | | Svemir Delić | DF | |||
| 06/1956 | | Mladen Koščak | DF | |||
| 06/1956 | | Ante Vidosevic | MF | |||
| 06/1956 | | Ljubomir Benčić | FW | |||
| 06/1956 | | Drazan Jerković | FW | |||
| 06/1956 | | Zdravko Prelčec | FW | |||
| 05/1956 | | Branko Kralj | GK | |||
| 05/1956 | | Franjo Beserdi | DF | |||
| 05/1956 | | Tomislav Crnković | DF | |||
| 05/1956 | | Vladimir Čonč | MF | |||
| 05/1956 | | Ivica Horvat | MF | |||
| 05/1956 | | Vilim Medved | MF | |||
| 05/1956 | | Branko Režek | MF | |||
| 05/1956 | | Ivan Šantek | MF |  | NK Zagreb | NK Zagreb |
| 05/1956 | | Kadro Abadžić | FW |  | NK Osijek | NK Osijek |
| 05/1956 | | Vladimir Firm | FW | |||
| 05/1956 | | Savo Joksimović | FW | |||
| 05/1956 | | Luka Lipošinović | FW | |||
| 05/1956 | | Franjo Špirk | FW | |||
| 01/1956 | | Rudolf Sabljak | MA |