Satsuma (薩摩) was a semi-dreadnought battleship built for the Imperial Japanese Navy (IJN) in the first decade of the 20th century.

The ship saw no combat during World War I, although she led a squadron that occupied several German colonies in the Pacific Ocean in 1914.

[4] Satsuma carried enough coal and oil to give her a range of 9,100 nautical miles (16,900 km; 10,500 mi) at a speed of 10 knots (19 km/h; 12 mph).

[4] Satsuma was equipped with a dozen 40-caliber quick-firing (QF) 4.7-inch (120 mm) 41st Year Type guns, mounted in casemates in the sides of the hull.

[5] The waterline main belt of the Satsuma-class vessels consisted of Krupp cemented armor that had a maximum thickness of 9 inches (229 mm) amidships.

[3] She was launched on 15 November 1906 with Emperor Meiji, the Navy Minister, and other high officials on hand for the ceremony,[9][10] and completed on 25 March 1910.

[5] She served as Rear Admiral Tatsuo Matsumura's flagship in the Second South Seas Squadron as it seized the German possessions of the Caroline and the Palau Islands in October 1914.

Satsuma was sunk by the battleships Mutsu and Nagato off the southern tip of the Bōsō Peninsula, near the mouth of Tokyo Bay on 7 September 1924.