Byron Rushing is an American politician who represented the Ninth Suffolk district in the Massachusetts House of Representatives from 1983 to 2019. He represented the South End neighborhood of Boston. A Democrat, he was first elected in 1982, before losing his 2018 bid for reelection to Jon Santiago in the Democratic primary.

Jon Santiago is an American physician and Democratic politician who served in the Massachusetts state representative for the 9th Suffolk district from 2019 to March 2023. He ran a campaign for mayor of Boston in 2021, but withdrew from the race before the primary election.