| Team: | Hamilton Tiger-Cats |
| Year: | 1970 |
| Record: | 8–5–1 |
| Division Place: | 1st, East |
| Coach: | Joe Restic |
| Stadium: | Civic Stadium |
| Playoffs: | Lost Eastern Finals |
| Mop: | Tommy Joe Coffey |
| Moc: | Bill Danychuk |
| Shortnavlink: | Tiger-Cats seasons |
The 1970 Hamilton Tiger-Cats season was the 13th season for the team in the Canadian Football League and their 21st overall. The Tiger-Cats finished in first place in the Eastern Conference with an 8–5–1 record, but lost the Eastern Finals to the Montreal Alouettes.
| Hamilton Tiger-Cats | 14 | 8 | 5 | 1 | 292 | 279 | 17 | |
| Toronto Argonauts | 14 | 8 | 6 | 0 | 329 | 290 | 16 | |
| Montreal Alouettes | 14 | 7 | 6 | 1 | 246 | 279 | 15 | |
| 14 | 4 | 10 | 0 | 255 | 279 | 8 |
| Week | Date | Opponent | Final score | Record | |
| 1 | July 29 | at Ottawa Rough Riders | W 17–15 | 1–0 | |
|---|---|---|---|---|---|
| 2 | Aug 8 | vs. Saskatchewan Roughriders | L 22–23 | 1–1 | |
| 3 | Aug 13 | at Toronto Argonauts | L 3–29 | 1–2 | |
| 4 | Aug 22 | vs. Winnipeg Blue Bombers | W 27–6 | 2–2 | |
| 6 | Sept 7 | vs. Montreal Alouettes | W 17–12 | 3–2 | |
| 7 | Sept 12 | at Montreal Alouettes | L 23–38 | 3–3 | |
| 8 | Sept 16 | vs. Calgary Stampeders | W 39–18 | 4–3 | |
| 9 | Sept 23 | at BC Lions | W 26–14 | 5–3 | |
| 9 | Sept 26 | at Edmonton Eskimos | L 13–34 | 5–4 | |
| 10 | Oct 4 | vs. Toronto Argonauts | L 14–33 | 5–5 | |
| 11 | Oct 12 | vs. Ottawa Rough Riders | W 24–17 | 6–5 | |
| 12 | Oct 17 | at Ottawa Rough Riders | W 22–15 | 7–5 | |
| 13 | Oct 25 | vs. Toronto Argonauts | W 27–7 | 8–5 | |
| 14 | Nov 1 | at Montreal Alouettes | T 18–18 | 8–5–1 |
| Round | Date | Opponent | Result | Record | Venue | Attendance | |
| Eastern Final #1 | Nov 15 | at Montreal Alouettes | L 22–32 | 0–1 | |||
|---|---|---|---|---|---|---|---|
| Eastern Final #2 | Nov 21 | vs. Montreal Alouettes | L 4–11 | 0–2 |