Here are the records of the 33 men who coached NASL indoor teams during the league’s four seasons of walled-in play. Often, but not always, the same man coached the outdoor and indoor sessions. Documented additions and corrections are always welcome.
| Coach | Team(s) | GP | W | L | Pct. | GP | W | L | Pct. | GP | W | L | Pct. |
| Barnett, Geoff | MIN | 18 | 12 | 6 | .667 | 2 | 0 | 2 | .000 | 20 | 12 | 8 | .600 |
| Cantwell, Noel | NE,JAX | 48 | 17 | 31 | .354 | 0 | 0 | 0 | 48 | 17 | 31 | .354 | |
| Chadwick, David | FTL, ATL,TBR | 62 | 25 | 37 | .403 | 4 | 3 | 1 | .750 | 66 | 28 | 38 | .424 |
| Cooke, Charlie | MEM | 12 | 9 | 3 | .750 | 4 | 2 | 2 | .500 | 16 | 11 | 5 | .688 |
| Crowe, Vic | PDX | 36 | 17 | 19 | .472 | 2 | 0 | 2 | .000 | 38 | 17 | 21 | .447 |
| Earle, Steve | TUL | 31 | 11 | 20 | .355 | 0 | 0 | 0 | .000 | 31 | 11 | 20 | .355 |
| Eddy, Keith | TOR | 18 | 5 | 13 | .278 | 0 | 0 | 0 | 18 | 5 | 13 | .278 | |
| Firmani, Eddie | MTL, COS | 50 | 29 | 21 | .580 | 8 | 3 | 5 | .375 | 58 | 32 | 26 | .552 |
| Furphy, Ken | DET | 30 | 14 | 16 | .467 | 1 | 0 | 1 | .000 | 31 | 14 | 17 | .452 |
| Gabriel, Jimmy | SJE | 36 | 15 | 21 | .417 | 0 | 0 | 0 | 36 | 15 | 21 | .417 | |
| Giles, John | VAN | 6 | 3 | 3 | .500 | 0 | 0 | 0 | 6 | 3 | 3 | .500 | |
| Hennessey, Terry | TUL | 19 | 10 | 9 | .526 | 4 | 2 | 2 | .500 | 23 | 12 | 11 | .522 |
| Hinton, Alan | SEA | 36 | 18 | 18 | .500 | 2 | 0 | 2 | .000 | 38 | 18 | 20 | .474 |
| Jago, Gordon | TBR | 48 | 28 | 20 | .583 | 11 | 6 | 5 | .545 | 59 | 34 | 25 | .576 |
| Liekoski, Timo | EDM | 18 | 10 | 8 | .556 | 6 | 6 | 0 | 1.000 | 24 | 16 | 8 | .667 |
| McCrohan, Roy | MIN | 12 | 8 | 4 | .667 | 3 | 2 | 1 | .667 | 15 | 10 | 5 | .667 |
| Miller, Al | CGY | 18 | 10 | 8 | .556 | 0 | 0 | 0 | 18 | 10 | 8 | .556 | |
| Mitchell, Charlie | TUL | 30 | 16 | 14 | .533 | 1 | 0 | 1 | .000 | 31 | 16 | 15 | .516 |
| Newman, Ron | SDS | 68 | 37 | 31 | .544 | 11 | 11 | 0 | 1.000 | 79 | 48 | 31 | .608 |
| Nuttall, Bill | FTL | 12 | 1 | 11 | .083 | 0 | 0 | 0 | .000 | 12 | 1 | 11 | .083 |
| Popovic, Don | GBE | 32 | 19 | 13 | .594 | 2 | 0 | 2 | .000 | 34 | 19 | 15 | .559 |
| Possee, Derek | VAN | 44 | 20 | 24 | .455 | 4 | 1 | 3 | .250 | 48 | 21 | 27 | .438 |
| Renshaw, Mike | DAL | 18 | 7 | 11 | .389 | 0 | 0 | 0 | 18 | 7 | 11 | .389 | |
| Roy, Willy | CHI | 68 | 45 | 23 | .662 | 11 | 5 | 6 | .455 | 79 | 50 | 29 | .633 |
| Short, Peter | LAA | 12 | 2 | 10 | .167 | 0 | 0 | 0 | 12 | 2 | 10 | .167 | |
| Sibbald, Bob | LAA | 18 | 11 | 7 | .611 | 2 | 0 | 2 | .000 | 20 | 11 | 9 | .550 |
| Thompson, Roger | EDM | 18 | 13 | 5 | .722 | 4 | 2 | 2 | .500 | 22 | 15 | 7 | .682 |
| Turner, Dave | TOR | 18 | 8 | 10 | .444 | 0 | 0 | 0 | 18 | 8 | 10 | .444 | |
| van der Hart, Cor | FTL | 6 | 0 | 6 | .000 | 0 | 0 | 0 | 6 | 0 | 6 | .000 | |
| Wall, Peter | CAL | 30 | 14 | 16 | .467 | 2 | 1 | 1 | .500 | 32 | 15 | 17 | .469 |
| Wood, Dan | ATL | 12 | 10 | 2 | .833 | 2 | 0 | 2 | .000 | 14 | 10 | 4 | .714 |
| Yasin, Erol | COS | 18 | 6 | 12 | .333 | 0 | 0 | 0 | 18 | 6 | 12 | .333 | |
| Yorath, Terry | VAN | 18 | 10 | 8 | .556 | 2 | 0 | 2 | .000 | 20 | 10 | 10 | .500 |
| NASL TOTALS | 920 | 460 | 460 | .500 | 88 | 44 | 44 | .500 | 1008 | 504 | 504 | .500 | |
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