Akiyama Saneyuki was a Meiji-period career officer in the Imperial Japanese Navy.
Akiyama Saneyuki was born on April 12, 1868 in Ehime Prefecture. He was the younger brother of General Yoshifuru Akiyama.
Commissioned second sublieutenant (1892), he subsequently held the posts of instructor at the Naval Staff College, staff-officer of the Combined Fleet, Commander aboard the Warship Mikasa, captain of the Warship Akitsushima, the Otowa, the Hashidate, the Izumo and the Ibuki. In the Russo-Japanese War (1904-1945), he was a member of the staff of the First Fleet of Admiral Heihachiro Togo, being in charge of writing reports. He rose to the rank of vice-admiral.