| Regular Season: Week 1 |
 Giants |
at |
 Steelers |
Sunday, September 11, 1966 |
3:00PM |
NYG 34, PIT 34 |
| Regular Season: Week 2 |
 Lions |
at |
Steelers |
Sunday, September 18, 1966 |
3:00PM |
DET 3, PIT 17 |
| Regular Season: Week 3 |
 Redskins |
at |
Steelers |
Sunday, September 25, 1966 |
3:00PM |
WAS 33, PIT 27 |
| Regular Season: Week 4 |
Steelers |
at |
Redskins |
Sunday, October 2, 1966 |
3:00PM |
PIT 10, WAS 24 |
| Regular Season: Week 5 |
Steelers |
at |
 Browns |
Saturday, October 8, 1966 |
3:00PM |
PIT 10, CLE 41 |
| Regular Season: Week 6 |
 Eagles |
at |
Steelers |
Sunday, October 16, 1966 |
3:00PM |
PHI 31, PIT 14 |
| Regular Season: Week 8 |
Steelers |
at |
 Cowboys |
Sunday, October 30, 1966 |
2:00PM |
PIT 21, DAL 52 |
| Regular Season: Week 9 |
Browns |
at |
Steelers |
Sunday, November 6, 1966 |
3:00PM |
CLE 6, PIT 16 |
| Regular Season: Week 10 |
 Cardinals |
at |
Steelers |
Sunday, November 13, 1966 |
3:00PM |
STL 9, PIT 30 |
| Regular Season: Week 11 |
Cowboys |
at |
Steelers |
Sunday, November 20, 1966 |
3:00PM |
DAL 20, PIT 7 |
| Regular Season: Week 12 |
Steelers |
at |
Cardinals |
Sunday, November 27, 1966 |
3:00PM |
PIT 3, STL 6 |
| Regular Season: Week 13 |
Steelers |
at |
Eagles |
Sunday, December 4, 1966 |
3:00PM |
PIT 23, PHI 27 |
| Regular Season: Week 14 |
Steelers |
at |
Giants |
Sunday, December 11, 1966 |
3:00PM |
PIT 47, NYG 28 |
| Regular Season: Week 15 |
Steelers |
at |
 Falcons |
Sunday, December 18, 1966 |
3:00PM |
PIT 57, ATL 33 |