USS Natalia (SP-1251) was a United States Navy patrol vessel in commission from 1917 to 1918 Natalia was built as a private motorboat of the same name in 1909 at either Stamford, Connecticut,[1] or Gloucester, Massachusetts,[2] to a design by Whittelsey & Whitaker.

On 8 May 1917 the U.S. Navy acquired her from her owner, John Hayes Hammond, Jr., of either Gloucester[3] or Stamford,[4] for use as a section patrol boat during World War I.

She was commissioned the same day as USS Natalia (SP-1251).

[5] Assigned to the 1st Naval District in northern New England, Natalia entered service as a section patrol boat.

However, she proved unsuitable for naval use and was returned to Hammond on 5 July 1918.