Prinsessan Ingeborg
| Name | Prinsessan Ingeborg |
| Type | Steamer |
| GRT | 3,670 tons |
| Country |  Swedish |
| Built | 1905 |
| Builder | A/S Burmeister & Wain, Copenhagen |
| Operator | Rederi A/B Nordstjernan (Axel Johnson), Stockholm |
| History |
U-boat attacks on Steamer Prinsessan Ingeborg
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 23 Sep 1916 | UC 26 (Matthias Graf von Schmettow) | Damaged | Mined about 50 miles SExE of Spurn Head | London - Tyne | general cargo |
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