 | This article needs more citations. (September 2017) |
 Surdulica City Stadium hosted the final | |
| Tournament details | |
|---|---|
| Country | Serbia |
| Teams | 37 |
| Final positions | |
| Champions | Partizan |
| Runners-up | Mladost Lučani |
The 2017–18 Serbian Cup season was the twelfth season of the Serbian national football cup competition. It started in September 2017, and ended on 23 May 2018. Partizan won the tournament for the sixth time, extending their record as the club with the most wins.
| Round | Date(s) | Number of fixtures | Clubs | New entries this round |
|---|---|---|---|---|
| Preliminary round | 6 September 2017 | 5 | 37 → 32 | 10 |
| Round of 32 | 20 September 2017 | 16 | 32 → 16 | 26 |
| Round of 16 | 25 October 2017 | 8 | 16 → 8 | none |
| Quarter-finals | 14 March 2018 | 4 | 8 → 4 | none |
| Semi-finals | 18 April and 9 May 2018 | 4 | 4 → 2 | none |
| Final | 23 May 2018 | 1 | 2 → 1 | none |
| 6 September 2017 | Radnički Beograd | 0–0 (4–3 p) | OFK Odžaci | Belgrade |
| 6 September 2017 | Rtanj | 2–2 (5–4 p) | OFK Beograd | Boljevac |
| 6 September 2017 | Polet 1980 | 3–1 | Kolubara | Zubin Potok |
| 6 September 2017 | Dinamo 1945 | 2–0 | ČSK | Pančevo |
| 11 October 2017 | Sloboda Užice | 1–2 | Borac Čačak | Užice |
| 20 September 2017 | Javor Ivanjica | 2–0 | Sinđelić Beograd | Ivanjica |
| 20 September 2017 | Budućnost Dobanovci | 3–3 (4–2 p) | Voždovac | Dobanovci |
| 20 September 2017 | Polet 1980 | 1–8 | Spartak Subotica | Zubin Potok |
| 11 October 2017 | Bežanija | 0–1 | Napredak Kruševac | Belgrade |
| 20 September 2017 | Mačva Šabac | 0–0 (4–2 p) | OFK Bačka | Šabac |
| 11 October 2017 | Red Star Belgrade | 5–0 | Dinamo Vranje | Belgrade |
| 20 September 2017 | Dinamo 1945 | 1–2 | Vojvodina | Pančevo |
| 20 September 2017 | Radnički Pirot | 1–1 (6–5 p) | Novi Pazar | Pirot |
| 20 September 2017 | Zlatibor | 0–0 (7–6 p) | Radnički Niš | Čajetina |
| 20 September 2017 | Radnički Beograd | 0–1 | Mladost Lučani | Belgrade |
| 20 September 2017 | Metalac Gornji Milanovac | 1–2 | Proleter Novi Sad | Gornji Milanovac |
| 20 September 2017 | Inđija | 0–0 (5–4 p) | Radnik Surdulica | Inđija |
| 25 October 2017 | Mladost Lučani | 4–0 | Proleter Novi Sad | Lučani |
| 25 October 2017 | Napredak Kruševac | 7–2 | Radnički Pirot | Kruševac |
| 25 October 2017 | Vojvodina | 6–1 | Budućnost Dobanovci | Novi Sad |
| 25 October 2017 | Inđija | 0–3 | Javor Ivanjica | Inđija |
| 15 November 2017 | Spartak Subotica | 1–1 (5–6 p) | Mačva Šabac | Subotica |
| 15 November 2017 | Borac Čačak | 0–4 | Red Star Belgrade | Čačak |
| 14 March 2018 | Javor Ivanjica | 0–2 | Partizan | Ivanjica Stadium, Ivanjica |
| 13:00 | Ožegović  65'N.R. Miletić 67' |
Attendance: 1,500 Referee: Srđan Jovanović |
| 14 March 2018 | Mačva Šabac | 0–0 (5–4 p) | Red Star Belgrade | Gradski stadion Šabac, Šabac |
| 15:30 | Attendance: 5,000 Referee: Dejan Santrač | |||
| Penalties | ||||
Matić  Gavrić Milinković Obrovac Pejović |
Babić Pešić Krstičić Milijaš Radonjić  |
|||
| 14 March 2018 | Vojvodina | 0–1 | Mladost Lučani | Karađorđe Stadium, Novi Sad |
| 17:00 | Trifunović 89' |
Attendance: 1,000 |
| 14 March 2018 | Napredak Kruševac | 0–2 | Čukarički | Mladost Stadium, Kruševac |
| Docić 32' Bojić 46' |
| 18 April 2018 | Čukarički | 4–2 | Partizan | Čukarički Stadium, Belgrade |
| 18 April 2018 | Mačva Šabac | 1–1 | Mladost Lučani | Gradski stadion Šabac, Šabac |
| 9 May 2018 | Partizan | 2–0 | Čukarički | Partizan Stadium, Belgrade |
| 9 May 2018 | Mladost Lučani | 4–0 | Mačva Šabac | Mladost Stadium, Lučani |
| 23 May 2018 | Mladost Lučani | 1–2 | Partizan | City Stadium, Surdulica |
| 19:00 CEST | Tumbasević 21' |
Janković 31' Zdjelar 62' |
Attendance: 3,000 Referee: Majo Vujović |