| Matches: Year By Year | Pictures: Year By Year |
| Celtic Games Played:- | 2018 |
| Other Match Pages:- | 2017 | 2019 |
| Decade of Matches:- | 2011-2020 |
| Picture Pages:- | 2017-18 | 2018-19 |
| League Tables:- | 2017-18 | 2018-19 |
| Date | Competition | Home Team | Score | Score | Away Team | Report | Pictures | Notes |
| JAN | ||||||||
| 20 | Scottish Cup | Celtic | 5 | 0 | Brechin City | Report | Pictures | KO: 15:00, Fourth Round |
| 23 | Scottish Premiership | Partick Thistle | 1 | 2 | Celtic | Report | Pictures | KO: 19:45 |
| 27 | Scottish Premiership | Celtic | 1 | 0 | Hibernian | Report | Pictures | KO: 15:00 |
| 30 | Scottish Premiership | Celtic | 3 | 1 | Hearts | Report | Pictures | KO: 19:45; Masunde debut |
| FEB | ||||||||
| 3 | Scottish Cup | Kilmarnock | 1 | 0 | Celtic | Report | Pictures | KO: 12:30 |
| 10 | Scottish Premiership | Celtic | 3 | 2 | Partick Thistle | Report | Pictures | KO: 12:15 |
| 15 | Europa League | Celtic | 1 | 0 | Zenit St Petersburg | Report | Pictures | KO: 20:05; 1st leg |
| 18 | Scottish Premiership | Celtic | 0 | 0 | St Johnstone | Report | Pictures | KO: 15:00 |
| 22 | Europa League | Zenit St Petersburg | 3 | 0 | Celtic | Report | Pictures | KO: 18:00; 2nd leg (agg 1-3 loss, out of Europe) |
| 25 | Scottish Premiership | Aberdeen | 0 | 2 | Celtic | Report | Pictures | KO: 13:30 |
| 28 | Scottish Premiership | Celtic | P | P | Dundee | – | – | KO: 19:45; Postponed due to adverse weather (‘Snowmagedon’) |
| MAR | ||||||||
| 3 | Scottish Cup | Celtic | 3 | 0 | Morton | Report | Pictures | KO: 12:30; 6th Round |
| 11 | Scottish Premiership | TheRangers | 2 | 3 | Celtic | Report | Pictures | KO: 12:00 |
| 18 | Scottish Premiership | Motherwell | 0 | 0 | Celtic | Report | Pictures | KO: 14:15 |
| 31 | Scottish Premiership | Celtic | 3 | 0 | Ross County | Report | Pictures | KO: 15:00 |
| APR | ||||||||
| 4 | Scottish Premiership | Celtic | 0 | 0 | Dundee | Report | Pictures | KO: 19:45 |
| 8 | Scottish Premiership | Hamilton Academical | 1 | 2 | Celtic | Report | Pictures | KO: 12:30 |
| 15 | Scottish Cup | Celtic | 4 | 0 | TheRangers | Report | Pictures | KO: 14:30; Semi-final |
| 21 | Scottish Premiership | Hibernian | 2 | 1 | Celtic | Report | Pictures | KO: 12:30 |
| 29 | Scottish Premiership | Celtic | 5 | 0 | TheRangers | Report | Pictures | KO: 12:00; Celtic win the league; part 2 of 2 of treble |
| MAY | ||||||||
| 6 | Scottish Premiership | Hearts | 1 | 3 | Celtic | Report | Pictures | KO: 12:15 |
| 9 | Scottish Premiership | Celtic | 0 | 0 | Kilmarnock | Report | Pictures | KO: 19:45 |
| 13 | Scottish Premiership | Celtic | 0 | 1 | Aberdeen | Report | Pictures | KO: 12:30 |
| 19 | Scottish Cup | Celtic | 2 | 0 | Motherwell | Report | Pictures | KO: 15:00; Final; Celtic complete the Treble Celtic make history with back-to-back Trebles |
| 20 | Friendly | Celtic | 2 | 2 | Rep of Ireland XI | Report | Pictures | KO: 14:00; Scott Brown Testimonial |
- Season Review
- Champions League 2017-18
- UEFA Cup/Europa League 2017-18
- Statistics 2017-18
- League Table 2017-18
- KDS Player of the Year 2017-18
- Scottish Cup 2017-18
- League Cup 2017-18
- Team Line-Up Pictures 2017-18
| Date | Competition | Home Team | Score | Score | Away Team | Report | Pictures | Notes |
| JUN | ||||||||
| 27 | Friendly | SK Vorwarts Steyr | 0 | 1 | Celtic | Report | Pictures | KO: 17:00 |
| 30 | Friendly | Bomenians Prague | 1 | 0 | Celtic | Report | Pictures | KO: 14:00 |
| JUL | ||||||||
| 3 | Friendly | Sparta Prague | 0 | 1 | Celtic | Report | Pictures | KO: 17:00 |
| 7 | Friendly | Shamrock Rovers | 0 | 7 | Celtic | Report | Pictures | KO: 15:00 |
| 10 | European Cup | Alashkert | 0 | 3 | Celtic | Report | Pictures | KO: 17:00; 1st Qualifying round, 1 of 2 |
| 14 | Friendly | Celtic | 4 | 1 | Standard Leige | Report | Pictures | KO: 15:00 |
| 18 | European Cup | Celtic | 3 | 0 | Alashkert | Match | Pictures | KO:19:45; 1st Qualifying round, 2 of 2 (agg: 6-0 to Celtic) |
| 25 | European Cup | Celtic | 3 | 1 | Rosenborg | Match | Pictures | KO:19:45; 2nd Qualifying round, 1 of 2 |
| AUG | ||||||||
| 1 | European Cup | Rosenborg | 0 | 0 | Celtic | Report | Pictures | KO:19:45; 2nd Qualifying Round, 2 of 2 (agg: 3-1 to Celtic) |
| 4 | Scottish Premiership | Celtic | 3 | 1 | Livingstone | Match | Pictures | KO: 15:00 |
| 8 | European Cup | Celtic | 1 | 1 | AEK Athens | Match | Pictures | KO: 19:45: 3rd Qualifying Round, 1 of 2 |
| 11 | Scottish Premiership | Hearts | 1 | 0 | Celtic | Report | Pictures | KO: 12:30 |
| 14 | European Cup | AEK Athens | 2 | 1 | Celtic | Report | Pictures | KO:19:00; 3rd Qualifying Round, Round 2 of 2, Celtic out of European Cup |
| 18 | League Cup | Partick Thistle | 1 | 3 | Celtic | Report | Pictures | KO:12:30 |
| 23 | UEFA Cup | FK Suduva | 1 | 1 | Celtic | Report | Pictures | KO: 18:00; Playoff 1st leg |
| 26 | Scottish Premiership | Celtic | 1 | 0 | Hamilton | Report | Pictures | KO: 15:00 |
| 30 | UEFA Cup | Celtic | 3 | 0 | FK Suduva | Report | Pictures | KO: 20:00; Playoff 2nd leg; (4-1 agg to Celtic) |
| SEP | ||||||||
| 2 | Scottish Premiership | Celtic | 1 | 0 | TheRangers | Report | Pictures | KO:12:00 |
| 8 | Friendly | Petrov XI | 3 | 3 | Milner XI | Report | Pictures | KO:14:00; Friendly for Cancer Research |
| 14 | Scottish Premiership | St Mirren | 0 | 0 | Celtic | Report | Pictures | KO:19:45 |
| 19 | UEFA Cup | Celtic | 1 | 0 | Rosenborg | Report | Pictures | KO:20:00; Match 1 |
| 23 | Scottish Premiership | Kilmarnock | 2 | 1 | Celtic | Report | Pictures | KO: 12:30 |
| 26 | League Cup | St Johnstone | 0 | 1 | Celtic | Report | Pictures | KO:19:45 |
| 29 | Scottish Premiership | Celtic | 1 | 0 | Aberdeen | Report | Pictures | KO:15:00 |
| OCT | ||||||||
| 4 | UEFA Cup | FC Salzburg | 3 | 1 | Celtic | Report | Pictures | KO:18:00; Match 2 |
| 7 | Scottish Premiership | St Johnstone | 0 | 6 | Celtic | Report | Pictures | KO:15:30 |
| 20 | Scottish Premiership | Celtic | 4 | 2 | Hibernian | Report | Pictures | KO:15:00 |
| 25 | UEFA Cup | RB Leipzig | 2 | 0 | Celtic | Report | Pictures | KO:18:00; Match 3 |
| 28 | League Cup | Hearts | 0 | 3 | Celtic | Report | Pictures | KO:13:30; semi-final; played at Murrayfield |
| 31 | Scottish Premiership | Dundee | 0 | 5 | Celtic | Report | Pictures | KO:19:45 |
| NOV | ||||||||
| 3 | Scottish Premiership | Celtic | 5 | 0 | Hearts | Report | Pictures | KO:15:00 |
| 8 | UEFA Cup | Celtic | 2 | 1 | RB Leipzig | Report | Pictures | KO: 20:00; Match 4 |
| 11 | Scottish Premiership | Livingston | 0 | 0 | Celtic | Report | Pictures | KO: 12:00 |
| 24 | Scottish Premiership | Hamilton | 0 | 3 | Celtic | Report | Pictures | KO: 12:30 |
| 29 | UEFA Cup | Rosenborg BK | 0 | 1 | Celtic | Report | Pictures | KO: 17:55; Match 5 |
| DEC | ||||||||
| 2 | League Cup | Celtic | 1 | 0 | Aberdeen | Report | Pictures | KO: 15:00; Final Celtic win the League Cup |
| 5 | Scottish Premiership | Motherwell | 1 | 1 | Celtic | Report | Pictures | KO: 19:45 |
| 8 | Scottish Premiership | Celtic | 5 | 1 | Kilmarnock | Report | Pictures | KO: 15:00 |
| 13 | UEFA Cup | Celtic | 1 | 2 | Salzburg | Report | Pictures | KO: 20:00; Match 6 Celtic qualify to UEFA Cup KO stages |
| 16 | Scottish Premiership | Hibernian | 2 | 0 | Celtic | Report | Pictures | KO: 12:30 |
| 19 | Scottish Premiership | Celtic | 3 | 0 | Motherwell | Report | Pictures | KO: 19:45 |
| 22 | Scottish Premiership | Celtic | 3 | 0 | Dundee | Report | Pictures | KO: 15:00 |
| 26 | Scottish Premiership | Aberdeen | 3 | 4 | Celtic | Report | Pictures | KO: 14:00 |
| 29 | Scottish Premiership | Rangers | 1 | 0 | Celtic | Report | Pictures | KO: 12:30 |