Viscount Hamao Arata (濱尾 新, April 20, 1849 - September 25, 1925) was a Japanese politician and educator of the Meiji period, originally hailing from Toyooka, Hyōgo. He was active in the Monkasho and as the president of institutions such as Tokyo Imperial University. Hamao was also, very briefly, Lord Keeper of the Privy Seal of Japan.
| Preceded by Matsui Naokichi |
8th President of University of Tokyo 1905-1912 |
Succeeded by Yamakawa Kenjirō |
| Preceded by Hachisuka Mochiaki |
11th Minister of Education 1897-1898 |
Succeeded by Saionji Kinmochi |