Several ships have been named Takao (高雄):
A warship or combatant ship is a naval ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a state. As well as being armed, warships are designed to withstand damage and are usually faster and more maneuverable than merchant ships. Unlike a merchant ship, which carries cargo, a warship typically carries only weapons, ammunition and supplies for its crew. Warships usually belong to a navy, though they have also been operated by individuals, cooperatives and corporations.
Japanese ship names follow different conventions from those typical in the West. Merchant ship names often contain the word maru at the end, while warships are never named after people, but rather after objects such as mountains, islands, weather phenomena, or animals.
Takao (高雄) was the lead vessel in the Takao-class heavy cruisers, active in World War II with the Imperial Japanese Navy. These were the largest cruisers in the Japanese fleet, and were intended to form the backbone of a multipurpose long-range strike force. Her sister ships were Atago, Maya and Chōkai.
The Type 41 3-inch (76 mm) naval gun otherwise known as the 8 cm/40 3rd Year Type naval gun was a Japanese dual-purpose gun introduced before World War I. Although designated as 8 cm (3.15 in), its shells were 76.2 mm (3 in) in diameter.
CH-17 was a No.13-class submarine chaser of the Imperial Japanese Navy during World War II.
CH-18 was a No.13-class submarine chaser of the Imperial Japanese Navy during World War II.
Tama Maru No. 6 was an auxiliary minesweeper of the Imperial Japanese Navy during World War II. She was later reclassified as a submarine chaser.
Hokkai Maru was a Kinai Maru-class auxiliary transport of the Imperial Japanese Navy during World War II. She participated in the Japanese occupation of British Borneo and was part of ill-fated convoy HI-71.
Hakuyo Maru was an auxiliary submarine chaser of the Imperial Japanese Navy during World War II.
Fukuei Maru No. 15 was a Japanese cargo ship that was requisitioned by the Imperial Japanese Navy during World War II and converted into an auxiliary netlayer.
W-101 or No. 101 was a Bangor-class minesweeper that was seized by the Imperial Japanese Navy before completion during World War II and converted into a convoy escort.
Cha-156 or No. 156 was a No.1-class auxiliary submarine chaser of the Imperial Japanese Navy that served during World War II.
CH-7 or No. 7 was a No.4-class submarine chaser of the Imperial Japanese Navy during World War II.
Shonan Maru No. 17 was a Japanese fishing vessel that was requisitioned by the Imperial Japanese Navy during World War II and converted into an auxiliary subchaser.
Cha-216 or No. 216 was a No.1-class auxiliary submarine chaser of the Imperial Japanese Navy that served during World War II.
Cha-228 or No. 228 was a No.1-class auxiliary submarine chaser of the Imperial Japanese Navy that served during World War II.