10 Greatest Celtic FC Seasons of All Time | From Lisbon Lions to Treble Dominance
Few clubs in world football have a history quite like Celtic. From conquering Europe with a team of local lads to sweeping up domestic trebles for fun, the Celts have treated fans to some truly unforgettable campaigns. In this article, we look at the 10 Greatest Celtic FC Seasons of All Time, ranked based on trophies won, the style of football played, and how fondly they’re remembered by the fans.
Some seasons brought history. Others brought emotion. All brought glory. Here are the 10 greatest Celtic FC seasons of all time.
10. 2022–23 – Angeball Arrives
Celtic lifted the League title, Scottish Cup, and League Cup under Ange Postecoglou, completing a slick and stylish domestic treble. The football was electric—fast, fearless, full-throttle. Ange gave Celtic their swagger back. A new chapter began.
9. 2017–18 – The Double Treble
Back-to-back trebles. Never been done before in Scotland. Brendan Rodgers’ side made history yet again. While not as dominant as the year before, Celtic still showed they were a level above everyone else. A season of grit, consistency, and silverware.
8. 2002–03 – The Seville Season
They didn’t win the league, but what a journey. Celtic reached the UEFA Cup final, beating Blackburn, Liverpool, and Boavista along the way. Over 80,000 fans made the trip to Seville. It ended in heartbreak, but for many, this is still one of the greatest Celtic FC seasons of all time.
7. 2019–20 – The Quadruple Treble
Four trebles in a row. Let that sink in. Despite a pandemic-disrupted season, Celtic got the job done. It wasn’t always pretty, but it was historic. No club, anywhere, had ever achieved what they did. This deserves its place among the greatest Celtic FC seasons of all time.
6. 1973–74 – Nine In A Row Completed
The Hoops clinched their ninth consecutive league title and added the Scottish Cup too. Jock Stein’s side were relentless. Year after year, they found a way to win. This season was the end of an era—and what an era it was.
5. 2003–04 – Henrik’s Farewell
Henrik Larsson. One last dance. Celtic won the league and Scottish Cup, with the King of Kings scoring a brace in his final match. Fans knew it was the end of something special. This wasn’t just about trophies. It was about saying goodbye to a legend.
4. 1968–69 – Another Treble Under Jock
Another masterclass from the Lisbon Lions core. League? Won. Scottish Cup? Won. League Cup? Won. Celtic were simply miles ahead of the rest. Their attacking football dazzled. One of the most complete campaigns of the Jock Stein era—and certainly among the greatest Celtic FC seasons of all time.
3. 2000–01 – O’Neill’s Treble Winners
Martin O’Neill came in and changed everything. Celtic stormed to the treble, with Henrik Larsson scoring a ridiculous 53 goals. The team was powerful, aggressive, and efficient. It was a statement season—and it woke up a sleeping giant.
2. 2016–17 – The Invincibles
Brendan Rodgers’ first year in charge. Celtic went the entire domestic season unbeaten, winning 43 and drawing just 4. The football was thrilling. The hunger was nonstop. This was domination of the highest order. Celtic were untouchable.
1. 1966–67 – The Lisbon Lions
The greatest of them all. Five trophies. One European Cup. Eleven local lads. Celtic didn’t just win, they wowed. They became the first British club to win the European Cup—beating Inter Milan with bold, attacking football. Every player was born within 30 miles of Celtic Park. This isn’t just the best Celtic season—it’s one of the greatest in football history. No debate. It tops the list of the greatest Celtic FC seasons of all time.