This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: "List of ship commissionings in 1991" – news · newspapers · books · scholar · JSTOR (November 2008) (Learn how and when to remove this template message)
The list of ship commissionings in 1991 includes a chronological list of all ships commissioned in 1991.
| Operator | Ship | Flag | Class and type | Pennant | Other notes | |
|---|---|---|---|---|---|---|
| 29 March |  Royal Netherlands Navy
|
Karel Doorman | Karel Doorman-class frigate | F827 | ||
| 28 November | Royal Netherlands Navy
|
Willem van der Zaan | Karel Doorman-class frigate | F829 |