Bestevaer
| Name | Bestevaer |
| Type | Steamer |
| GRT | 1,044 tons |
| Country |  Dutch |
| Built | 1879 |
| Builder | J. Laing, Sunderland |
| Operator | Mij. Stoomschip Bestevaer (Ph. van Ommeren), Rotterdam |
| History |
U-boat attacks on Steamer Bestevaer
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 4 Jul 1917 | UC 21 (Werner von Zerboni di Sposetti) | Sunk | 6 miles off Scheveningen | London - Rotterdam | general cargo |
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