Kim Michelle Janey (born May 16, 1965) is an American politician who served as acting mayor of Boston for eight months in 2021. She served as president of the Boston City Council from 2020 to 2022, and as a member of the council from the 7th district from 2018 to 2022. She was the first woman and first black person to serve as acting mayor of the city during a vacancy in the office of mayor.