| Tm | Name | W | L | Start | End | |
|---|---|---|---|---|---|---|
| ANA | Bill Rigney | 80 | 82 | Beg | End | |
| ATL | Bobby Bragan | 52 | 59 | Beg | 19660808 | |
| ATL | Billy Hitchcock | 33 | 18 | 19660809 | End | |
| BAL | Hank Bauer | 97 | 63 | Beg | End | |
| BOS | Billy Herman | 64 | 82 | Beg | 19660907 | |
| BOS | Pete Runnels | 8 | 8 | 19660909 | End | |
| CHA | Eddie Stanky | 83 | 79 | Beg | End | |
| CHN | Leo Durocher | 59 | 103 | Beg | End | |
| CIN | Don Heffner | 37 | 46 | Beg | 19660710 | |
| CIN | Dave Bristol | 39 | 38 | 19660714 | End | |
| CLE | Birdie Tebbetts | 66 | 57 | Beg | 19660819 | |
| CLE | George Strickland | 15 | 24 | 19660820 | End | |
| DET | Chuck Dressen | 16 | 10 | Beg | 19660515 | |
| DET | Bob Swift | 32 | 25 | 19660517 | 19660710 | |
| DET | Frank Skaff | 40 | 39 | 19660714 | End | |
| HOU | Grady Hatton | 72 | 90 | Beg | End | |
| KCA | Al Dark | 74 | 86 | Beg | End | |
| LAN | Walter Alston | 95 | 67 | Beg | End | |
| MIN | Sam Mele | 89 | 73 | Beg | End | |
| NYA | Johnny Keane | 4 | 16 | Beg | 19660506 | |
| NYA | Ralph Houk | 66 | 73 | 19660507 | End | |
| NYN | Wes Westrum | 66 | 95 | Beg | End | |
| PHI | Gene Mauch | 87 | 75 | Beg | End | |
| PIT | Harry Walker | 92 | 70 | Beg | End | |
| SFN | Herman Franks | 93 | 68 | Beg | End | |
| SLN | Red Schoendienst | 83 | 79 | Beg | End | |
| TEX | Gil Hodges | 71 | 88 | Beg | End |
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