Don Koch is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1990 | 4Him | 4Him | Producer, Songwriter, Rhythm Arrangements, Keyboards |
| 1992 | Two Hearts | Stand Your Ground | Songwriter, Keyboards |
| 1992 | 4Him | The Basics of Life | Producer, Vocal and Track Arranger, Songwriter, Keyboards, Piano |
| 1993 | Michael English | Hope | Songwriter |
| 1993 | Straight Company | So Excited: Acapella | Producer, Vocal Arranger, Songwriter |
| 1993 | 4Him | The Season of Love - Christmas | Producer, Arranger, Songwriter, Keyboards, Piano, Programming |
| 1994 | 4Him | The Ride | Producer, Additional Recording, Songwriter, Keyboards, Programming, Vocal Arrangements, Track Arrangements |
| 1995 | East to West | North of the Sky | Songwriter |
| 1996 | Aaron Jeoffrey | After The Rain | Songwriter |
| 2000 | Charles Billingsley | Marks of the Mission | Producer, Keyboard |
| 2000 | Solomon's Wish | A Wise Man's Tragedy | Producer, Engineer, Vocal Arrangements |
| 2001 | NewSong | The Christmas Shoes | Producer, Arrangements, Keyboards |
| 2001 | Greg Long | Now | Producer, Songwriter, Recorded |
| 2001 | Fred Hammond | Christmas... Just Remember | Songwriter |
| 2001 | 4Him | Chapter One ...a decade | Songwriter |
| 2015 | Rescue | Beautiful | Songwriter |
