Zaanstrom
| Name | Zaanstrom |
| Type | Steamer |
| GRT | 1,657 tons |
| Country |  Dutch |
| Built | 1913 |
| Builder | Rotterdam Droogdok Mij., Rotterdam |
| Operator | N.V. Hollandsche Stoomboot Mij., Amsterdam |
| History |
U-boat attacks on Steamer Zaanstrom
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 18 Mar 1915 | U 28 (Georg-Günther von Forstner) | prize | 16 miles off Maas LV | Amsterdam - London | 0 | ||
| Taken as prize to Zeebrugge and retained. | ||||||||
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