A by-election was held in the Barbadian constituency of the city of Bridgetown on 29 May 1969 after the death of Barbados National Party member Louis Lynch who was the representative of the constituency in the House of Assembly of Barbados. It was the first election held after Barbados gained independence from the British Empire in 1966.
Elliot Mottley won the election. Turnout was 56.1%.