Barbara Goolsbee Bollier (born January 13, 1958) is an American physician and politician. She is the Democratic candidate for the United States Senate from Kansas in the 2020 election.

She is a member of the Kansas Senate since January 2017. Bollier is a member of the Democratic Party, after having left the Republican Party in 2018.

If Bollier won the U.S. Senate race, she would have been the first woman physician elected to the U.S. Senate.

Bollier lost the election to Roger Marshall in the senate race in November 2020.