List of ship commissionings in 1917
The list of ship commissionings in 1917 is a chronological list of ships commissioned in 1917. 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 |
| January 24 | ' | - | ||
| January | ' | Converted to an aircraft carrier | ||
| February 8 | ' | - | ||
| February 8 | ' | - | ||
| February 19 | ' | - | ||
| February | ' | - | ||
| March 14 | ' | - | ||
| April 9 | ' | Section patrol craft | - | |
| April 9 | ' | - | ||
| April 18 | ' | Section patrol craft | - | |
| April 24 | ' | Transferred to Royal Australian Navy in 1919 | ||
| May 1 | ' | Collier | - | |
| May 5 | ' | Section patrol craft | - | |
| May 5 | ' | H-class submarine | Ex- | |
| May 10 | ' | Section patrol craft | - | |
| May 10 | ' | - | ||
| May 12 | ' | Section patrol craft | - | |
| May 17 | ' | Minesweeper | - | |
| May 18 | ' | Section patrol craft | - | |
| May 19 | ' | Section patrol craft | - | |
| May 27 | ' | collier | Under command of Lt. Commander Harry M. Bostwick, USNRF | |
| May 30 | ' | Section patrol craft | - | |
| May 31 | ' | Section patrol craft | - | |
| June 5 | ' | Section patrol craft | - | |
| June 5 | ' | Section patrol craft | - | |
| June 6 | ' | Section patrol craft | Transferred to United States Coast Guard in 1919 | |
| June 9 | ' | Section patrol craft | - | |
| June 25 | ' | Section patrol craft | - | |
| June 26 | ' | Converted to an aircraft carrier | ||
| June 27 | ' | Section patrol craft | - | |
| July 6 | ' | Section patrol craft | Transferred to United States Coast and Geodetic Survey in 1919 | |
| July 7 | ' | Section patrol craft | Transferred to United States Coast Guard in 1919 | |
| July 10 | ' | Section patrol craft | ||
| July 27 | ' | Section patrol craft | - | |
| July 28 | ' | Section patrol craft | - | |
| July 28 | ' | Section patrol craft | - | |
| August 10 | ' | Section patrol craft | - | |
| August 11 | ' | Section patrol craft | - | |
| August 15 | ' | Section patrol craft / minesweeper | - | |
| August 16 | ' | Section patrol craft | - | |
| August 17 | ' | Section patrol craft | - | |
| August 18 | ' | Section patrol craft / minesweeper | - | |
| August 18 | ' | Section patrol craft | - | |
| August 30 | ' | L-class submarine | - | |
| September 1 | ' | - | ||
| September 26 | ' | N-class submarine | - | |
| September 26 | ' | N-class submarine | - | |
| September 26 | ' | N-class submarine | - | |
| September 27 | ' | Section patrol craft | - | |
| October 1 | ' | Section patrol craft | - | |
| October 5 | ' | Section patrol craft | - | |
| October 15 | ' | - | ||
| October 17 | ' | Section patrol craft | - | |
| October 18 | ' | Section patrol craft | - | |
| October 31 | ' | Section patrol craft | Returned to original owned on April 21, 1919 | |
| November 1 | ' | Section patrol craft | - | |
| November 2 | ' | Section patrol craft | - | |
| November 5 | ' | Section patrol craft | Transferred to United States Coast and Geodetic Survey 1919 | |
| December 1 | ' | - | ||
| December 7 | ' | L-class submarine | - | |
| December 7 | ' | L-class submarine | - | |
| December 17 | ' | Section patrol craft | - | |
| December 18 | ' | - | ||
| December 30 | A-1 | Section patrol craft | - | |
| unknown date | ' | Section patrol craft | - |