Sarah Flood-Beaubrun is a Saint Lucian lawyer and politician. Beaubrun is the former representative for the constituency of Castries Central in the House of Assembly. Beaubrun lost her seat in the 2021 Saint Lucian General Election dubbed a landslide victory for the Saint Lucia Labour Party.

General elections were held in Saint Lucia on 26 July 2021, having been constitutionally required by 12 October 2021. Voters elected all 17 members of the House of Assembly. The result was a victory for the opposition Saint Lucia Labour Party, which won 13 of the 17 seats in the House, while the ruling United Workers Party lost nine of its eleven seats, its worst result since 1997. It was the fourth consecutive election in which the incumbent government was defeated.