Maiko Inoue Sato (井上 摩衣子, Inoue Maiko, born 5 February 1979) is a Japanese former tennis player.

[1] A right-handed player, Inoue began competing on the professional tour in the late 1990s.

She left the tour in 2003, before returning in 2007 and featuring as a doubles specialist.

As a singles player, she was ranked as high as 299 in the world, winning two ITF titles.

[2] Inoue, who retired in 2012, is married to former tennis player Bumpei Sato.