| 1 | Sat 11 Aug 2018 | 62-3 v Brightlingsea RegentKingstonian 2-3 Brightlingsea Regent | Bostik League Premier Division |
| 2 | Tue 14 Aug 2018 | 60-3 v Potters Bar TownPotters Bar Town 3-0 Kingstonian | Bostik League Premier Division |
| 3 | Fri 24 Aug 2018 | 30-1 v Dorking WanderersKingstonian 0-1 Dorking Wanderers | Bostik League Premier Division |
| 4 | Mon 27 Aug 2018 | 31-0 v Corinthian-CasualsKingstonian 1-0 Corinthian-Casuals | Bostik League Premier Division |
| 5 | Sat 1 Sep 2018 | 31-3 v Bognor Regis TownBognor Regis Town 3-1 Kingstonian | Bostik League Premier Division |
| 6 | Sat 15 Sep 2018 | 63-2 v Bishop's StortfordKingstonian 3-2 Bishop's Stortford | Bostik League Premier Division |
| 7 | Sat 29 Sep 2018 | 61-1 v WhitehawkWhitehawk 1-1 Kingstonian | Bostik League Premier Division |
| 8 | Sat 6 Oct 2018 | 64-1 v Folkestone InvictaKingstonian 4-1 Folkestone Invicta | Bostik League Premier Division |
| 9 | Sat 13 Oct 2018 | 6 1-3 v WorthingWorthing 3-1 Kingstonian | Bostik League Premier Division |
| 10 | Tue 16 Oct 2018 | 55-0 v Camberley TownCamberley Town 0-5 Kingstonian | Surrey Senior Cup Preliminary Round |
| 11 | Sat 20 Oct 2018 | 67-0 v Harlow TownKingstonian 7-0 Harlow Town | Bostik League Premier Division |
| 12 | Sat 27 Oct 2018 | 61-1 v Bedford TownKingstonian 1-1 Bedford Town | Buildbase FA Trophy First Qualifying Round |
| 13 | Tue 30 Oct 2018 | 62-3 v Bedford TownBedford Town 3-2 Kingstonian | Buildbase FA Trophy First Qualifying Round |
| 14 | Sat 3 Nov 2018 | 62-1 v LewesKingstonian 2-1 Lewes | Bostik League Premier Division |
| 15 | Wed 7 Nov 2018 | 61-1 v Tonbridge AngelsKingstonian 1-1 Tonbridge Angels | Bostik League Premier Division |
| 16 | Sat 10 Nov 2018 | 61-0 v Burgess Hill TownBurgess Hill Town 0-1 Kingstonian | Bostik League Premier Division |
| 17 | Wed 14 Nov 2018 | 61-2 v LeatherheadLeatherhead 2-1 Kingstonian | Bostik League Premier Division |
| 18 | Sat 17 Nov 2018 | 62-1 v MargateKingstonian 2-1 Margate | Bostik League Premier Division |
| 19 | Sat 24 Nov 2018 | 61-0 v Enfield TownEnfield Town 0-1 Kingstonian | Bostik League Premier Division |
| 20 | Sat 8 Dec 2018 | 62-2 v AFC HornchurchAFC Hornchurch 2-2 Kingstonian | Bostik League Premier Division |
| 21 | Sat 15 Dec 2018 | 34-1 v Bognor Regis TownKingstonian 4-1 Bognor Regis Town | Bostik League Premier Division |
| 22 | Sat 22 Dec 2018 | 32-1 v Corinthian-CasualsCorinthian-Casuals 1-2 Kingstonian | Bostik League Premier Division |
| 23 | Tue 1 Jan 2019 | 30-0 v MersthamKingstonian 0-0 Merstham | Bostik League Premier Division |
| 24 | Sat 5 Jan 2019 | 33-0 v Bishop's StortfordBishop's Stortford 0-3 Kingstonian | Bostik League Premier Division |
| 25 | Tue 8 Jan 2019 | 31-1 v KnaphillKnaphill 1-1 Kingstonian | Surrey Senior Cup First Round |
| 26 | Sat 12 Jan 2019 | 14 2-3 v Tonbridge AngelsTonbridge Angels 3-2 Kingstonian | Bostik League Premier Division |
| 27 | Wed 16 Jan 2019 | 33-2 v Carshalton AthleticKingstonian 3-2 Carshalton Athletic | Surrey Senior Cup Second Round |
| 28 | Sat 19 Jan 2019 | 31-3 v WhitehawkKingstonian 1-3 Whitehawk | Bostik League Premier Division |
| 29 | Sat 26 Jan 2019 | 60-2 v Folkestone InvictaFolkestone Invicta 2-0 Kingstonian | Bostik League Premier Division |
| 30 | Wed 6 Feb 2019 | 31-2 v Potters Bar TownKingstonian 1-2 Potters Bar Town | Bostik League Premier Division |
| 31 | Sat 16 Feb 2019 | 61-1 v Carshalton AthleticKingstonian 1-1 Carshalton Athletic | Bostik League Premier Division |
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