Roy Campbell Smith (1858 – April 11, 1940) was an American naval officer and the Governor of Guam from 1916 to 1918.

[1] In 1878, Smith graduated from the United States Naval Academy in Annapolis, Maryland.

[2] Smith was the commanding officer of the USS Arkansas (BB-33) from 17 September 1912 to 13 October 1914.

It was named for Rear admiral William Thomas Sampson, Smith's father-in-law.

[1] On April 10, 1940, Smith died in Summerville, South Carolina.