Naomi Koshi (越 直美; born July 5, 1975) is a Japanese lawyer and advocate for gender equality and retired politician. In 2012 she became the youngest woman elected mayor of a Japanese city as the Mayor of Ōtsu, Shiga Prefecture for two four-year terms from January 2012 to January 2020.
Source: “Naomi Koshi”, English Wikipedia (CC BY-SA 4.0), excerpt