Harry Camp Clark (June 8, 1883 – December 27, 1950) was an American Republican politician from California.

After graduation, he worked in Massachusetts and Louisville, Kentucky, where he was in charge of building a sewer system.

[citation needed] In 1911, he moved to San Diego, California, to join his mother and two sisters.

He was defeated in 1931, where the main issue was the $8.5 million spent for water projects, such as Lake Hodges Dam, with little to show for it.

They had at least one son, Harry C., Jr. Clark died on December 27, 1950 of a heart attack at his home in San Diego.