Henry Theodore Titus (February 13, 1823 – August 7, 1881) was a pioneer, soldier of fortune, and the founder of Titusville, Florida.

His military adventurism included expeditions to Cuba and Nicaragua, fighting on the side of pro-slavery forces in the Kansas Territory, and blockade running during the Civil War.

[3] Titus was a grocer and sawmill operator in Jacksonville, until migrating with his family to "Bleeding Kansas" in April 1856 to join pro-slavery forces.

Walker was engaged in an unauthorized military expedition, known as the Filibuster War, in the country, ultimately to establish a slaveholding settlement there.

While transporting a load of Confederate draft dodgers to Nassau in 1863, Titus lost his steamer to the Northern blockade and was captured on the Indian River.

[8] He moved to New York with his family in 1865, but returned to Florida in November 1867, settling at Sand Point which at that time had a population of 250.