Bridget Malloy Kosierowski (born March 31, 1972) is an American politician. She is a Democrat who represents the 114th district in the Pennsylvania House of Representatives.
In March 2019, Kosierowski won a special election to represent the 114th district in the Pennsylvania House of Representatives, replacing Sid Michaels Kavulich, who had died of complications from open heart surgery. She currently serves on the following House committees:
Kosierowski is currently the only registered nurse serving in the Pennsylvania House of Representatives.
Kosierowski won re-election in 2022.