Mizuho (瑞穂区, Mizuho-ku) is one of the 16 wards of the city of Nagoya in Aichi Prefecture, Japan. As of 1 October 2019, the ward had an estimated population of 107,622 and a population density of 9,592 persons per km². The total area was 11.22 km².

Mizuho Ward is located near the geographic center of Nagoya city.

• Showa Ward
• Atsuta Ward
• Tenpaku Ward
• Minami Ward

Mizuho District was established on February 11, 1944 from the eastern portion of Atsuka-ku.

• Nagoya City University
• Nagoya Women's University
• Aichi Mizuho College

• Meitetsu - Nagoya Main Line
  • Horita
• Nagoya Municipal Subway - Sakura-dōri Line
  • Sakurayama - Mizuho Kuyakusho - Mizuho Undōjō Nishi -

Aratama-bashi

• Nagoya Municipal Subway - Meijō Line
  • Sōgō Rihabiri Center - Mizuho Undōjō Higashi - Aratama-bashi

• Route 3 (Nagoya Expressway)
• National Route 1

• Nagoya City Museum
• Mizuho Kofun Group
• Mizuho rugby stadium.