Masayo (written: 雅世 or 雅代, 政代, 正世 or 匡代) is a feminine Japanese given name. Notable people with the name include:
*, Japanese swimmer
*, Japanese voice actress
*, Japanese synchronized swimmer and coach
*, Japanese entomologist
*, Japanese voice actress
*, Japanese diver
*, Japanese physician, ophthalmologist and stem cell researcher
*, Japanese politician
See also
*
5295 Masayo, a main-belt asteroid
{{given name
Japanese feminine given names