Template:1966 NFL Eastern standings
| NFL Eastern Conference | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| W | L | T | PCT | CONF | PF | PA | STK | ||
| Dallas Cowboys | 10 | 3 | 1 | .769 | 9–3–1 | 445 | 239 | W1 | |
| Philadelphia Eagles | 9 | 5 | 0 | .643 | 8–5 | 326 | 340 | W4 | |
| Cleveland Browns | 9 | 5 | 0 | .643 | 9–4 | 403 | 259 | W1 | |
| St. Louis Cardinals | 8 | 5 | 1 | .615 | 7–5–1 | 264 | 265 | L3 | |
| Washington Redskins | 7 | 7 | 0 | .500 | 7–6 | 351 | 355 | L1 | |
| Pittsburgh Steelers | 5 | 8 | 1 | .385 | 4–8–1 | 316 | 347 | W2 | |
| Atlanta Falcons | 3 | 11 | 0 | .214 | 2–5 | 204 | 437 | L1 | |
| New York Giants | 1 | 12 | 1 | .077 | 1–11–1 | 263 | 501 | L8 | |
- Note: Tie games were not officially counted in the standings until 1972.