2017–18 FA Vase
The 2017–18 FA Vase was the 44th season of the FA Vase, an annual football competition for teams playing below Step 4 of the English National League System. The competition was played with two qualifying rounds preceding the six proper rounds, semi-finals and final played at Wembley Stadium. All first-leg ties until the semi-finals were played with extra time if drawn after regulation – first-leg ties could also be resolved with penalties if both teams agreed and notified the referee at least 45 minutes before kick-off.
Calendar
The calendar for the 2017–18 FA Vase, as announced by The Football Association.| Round | Main Date | Number of Fixtures | Clubs | New Entries This Round | Losing Club | Winning Club |
| First round qualifying | 9 September 2017 | 220 | 619 → 399 | 440 | £175 | £550 |
| Second round qualifying | 23 September 2017 | 170 | 399 → 229 | 120 | £250 | £725 |
| First round proper | 21 October 2017 | 101 | 229 → 128 | 32 | £275 | £825 |
| Second round proper | 11 November 2017 | 64 | 128 → 64 | 27 | £300 | £900 |
| Third round proper | 2 December 2017 | 32 | 64 → 32 | none | £375 | £1,125 |
| Fourth round proper | 6 January 2018 | 16 | 32 → 16 | none | £625 | £1,875 |
| Fifth round proper | 3 February 2018 | 8 | 16 → 8 | none | £750 | £2,250 |
| Quarter-finals | 24 February 2018 | 4 | 8 → 4 | none | £1,375 | £4,125 |
| Semi-finals | 17 and 24 March 2018 | 2 | 4 → 2 | none | £1,750 | £5,500 |
| Final | 20 May 2018 | 1 | 2 → 1 | none | £20,000 | £30,000 |
Second round proper
Quarter-finals
| Tie | Home team | Score | Away team | |
| 3 | Stockton Town | 2–0 | Windsor | 1,213 |
| 4 | Leighton Town | 0–1 | 1874 Northwich | 800 |
Semi-finals
Semi final fixtures are due to be played on 17 March and 24 March 2018, with the second leg going to extra time and penalties if required.First leg
Match played at Bishopton Road West, Stockton due to Marske United's ground being waterlogged.----
Second leg
Stockton Town won 3–2 on aggregate----
''Thatcham Town won 4–2 on aggregate''