| Team: | Calgary Stampeders |
| Year: | 1948 |
| Record: | 12–0 |
| Division Place: | 1st, W.I.F.U. |
| Coach: | Les Lear |
| Stadium: | Mewata Stadium |
| Playoffs: | Won Grey Cup |
| Shortnavlink: | Stampeders seasons |
The 1948 Calgary Stampeders finished in first place in the W.I.F.U. with a perfect 12–0 record, went 2–0–1 in the playoffs and won the Grey Cup.
To date, this is still the only undefeated season in the history of Canadian professional football.
| Calgary Stampeders | 12 | 12 | 0 | 0 | 218 | 61 | 24 | |
| Regina Roughriders | 12 | 3 | 9 | 0 | 133 | 137 | 6 | |
| 12 | 3 | 9 | 0 | 81 | 234 | 6 |
| Week | Game | Date | Opponent | Results | Venue | Attendance | ||
|---|---|---|---|---|---|---|---|---|
| Score | Record | |||||||
| 1 | Bye | |||||||
| 2 | 1 | Wed, Aug 25 | vs. Regina Roughriders | W 12–1 | 1–0 | Mewata Stadium | 4,500 | |
| 2 | 2 | Mon, Aug 30 | vs. Winnipeg Blue Bombers | W 30–0 | 2–0 | Mewata Stadium | 5,000 | |
| 3 | 3 | Fri, Sept 3 | at Winnipeg Blue Bombers | W 10–5 | 3–0 | Osborne Stadium | 6,000 | |
| 3 | 4 | Mon, Sept 6 | at Regina Roughriders | W 14–9 | 4–0 | Taylor Field | 6,000 | |
| 4 | 5 | Mon, Sept 13 | vs. Winnipeg Blue Bombers | W 18–0 | 5–0 | Mewata Stadium | 7,200 | |
| 5 | Bye | |||||||
| 6 | 6 | Sat, Sept 25 | vs. Regina Roughriders | W 13–12 | 6–0 | Mewata Stadium | 7,000 | |
| 7 | 7 | Sat, Oct 2 | at Regina Roughriders | W 12–11 | 7–0 | Taylor Field | 5,500 | |
| 7 | 8 | Mon, Oct 4 | at Winnipeg Blue Bombers | W 26–6 | 8–0 | Osborne Stadium | 7,000 | |
| 8 | 9 | Sat, Oct 9 | vs. Winnipeg Blue Bombers | W 35–3 | 9–0 | Mewata Stadium | 7,000 | |
| 9 | 10 | Sat, Oct 16 | at Regina Roughriders | W 8–7 | 10–0 | Taylor Field | 5,000 | |
| 9 | 11 | Mon, Oct 18 | at Winnipeg Blue Bombers | W 21–8 | 11–0 | Osborne Stadium | 4,000 | |
| 10 | 12 | Sat, Oct 23 | vs. Regina Roughriders | W 19–0 | 12–0 | Mewata Stadium | 9,000 | |
See main article: 36th Grey Cup.
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