USS Miramar (SP-672), later USS SP-672, was a United States Navy patrol vessel in commission from 1917 to 1918. Miramar was built as the private motorboat Lillian II at Long Island City, New York, in 1907. She later was renamed Miramar. On 18 August 1917, the U.S. Navy acquired Miramar from her owner for use as a section patrol boat during World War I. She was commissioned as USS Miramar (SP-672) on 31 August 1917. Assigned to the 8th Naval District, Miramar conducted patrols for the rest of World War I. During 1918, her name was changed to USS SP-672.