USS Caroline (SP-1105) was a United States Navy patrol vessel in commission from 1917 to 1918.

Caroline as a private motorboat sometime between 1912 and 1917.
History
United States
Name	USS Caroline
Namesake	Previous name retained
Completed	1912
Acquired	17 May 1917
Commissioned	1917
Fate	Returned to owner 23 December 1918
Notes	Operated as civilian motorboat Caroline 1912-1917 and from 1918
General characteristics
Type	Patrol vessel
Length	42 ft 6 in (12.95 m)
Beam	10 ft (3.0 m)
Draft	4 ft (1.2 m)
Speed	8 knots
Complement	7
Armament	2 × machine guns

Caroline was built as a private motorboat of the same name in 1912. On 17 May 1917, the U.S. Navy acquired her under a free lease from her owner, R. Brackenbury of San Diego, California, for use as a section patrol boat during World War I. She was commissioned as USS Caroline (SP-1105).

Assigned to the 12th Naval District, Caroline served on harbor patrol and guard ship duty at San Diego through the end of World War I.

The Navy returned Caroline to Brackenbury on 23 December 1918.