Crew list of Ships hit by U-boats
Johan Christian Olsen
Merchant Navy. Norwegian
| Born | 7 Jul 1906 | Bergen, Hordaland | |
| Died | 12 Mar 1942 | (35) |
Roster information listed for Johan Christian Olsen
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Ingerto | Steam merchant | Third Engineer Officer | 12 Mar 1942 (+) | U-578 (1) |