List of ship commissionings in 1930
The list of ship commissionings in 1930 is a chronological list of ships commissioned in 1930. In cases where no official commissioning ceremony was held, the date of service entry may be used instead.
| Date | Operator | Ship | Class and type | Notes | Ref |
| 1 January | ' | ||||
| 9 February | ' | ||||
| 11 February | ' | ||||
| 20 February | ' | ||||
| 27 March | ' | ||||
| 14 April | ' | ||||
| 14 April | ' | ||||
| 30 April | ' | ||||
| 1 May | ' | ||||
| 2 May | ' | ||||
| 5 May | United States Bureau of Fisheries | ' | cargo liner | commissioning date unknown; in commission by 5 May 1930 | |
| 15 May | ' | ||||
| 24 May | ' | recommissioned from reserve at San Diego | |||
| 4 June | ' | ||||
| 1 July | ' | ||||
| 4 August | ' | ||||
| 4 August | ' | ||||
| 4 August | ' | ||||
| 4 August | ' | ||||
| 10 September | ' | ||||
| 30 September | ' | ||||
| 5 November | ' | transferred from the United States Navy, served in anti-smuggling operations | |||
| 14 November | ' | ||||
| unknown date | ' | Gunboat |