D-1 or all ?
Bah, here. This is through 2006 by winning percentage.
Non-D1:
*John Gagliardi ............... 58(yrs) 443(w) 120(l) 11(t) .781(%) [Carroll (Mont.) 1949-52, St. John's (Minn.)
1953-06]
* = still coaching, now 461-125-11
D1:
Bear Bryant ............................. 38(yrs) 323(w) 85(l) 17(t) .780(%) (Maryland 1945, Kentucky 1946-53, Texas A&M
1954-57, Alabama 1958-82