Rijndijk
| Name | Rijndijk |
| Type | Steamer |
| GRT | 3,557 tons |
| Country |  Dutch |
| Built | 1915 |
| Builder | Rotterdam Droogdok Mij., Rotterdam |
| Operator | Solleveld, van der Meer & T. H. van Hattum’s Stoomv. Mij., Rotterdam |
| History |
U-boat attacks on Steamer Rijndijk
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 7 Apr 1916 | U 66 (Thorwald von Bothmer) | Damaged | Torpedoed 20 miles WNW of Bishop Rock. Beached but later refloated. | Portland, Maine - Rotterdam | wheat | ||
| Von Bothmer recognized Rijndijk neutrality markings only after firing a torpedo at steamer, which hit. | ||||||||
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