Catherine Zena Bearder (born 14 January 1949) is a British Liberal Democrat politician who served as Leader of the Liberal Democrats in the European Parliament between the 28 May 2019 to 12 November 2019.
She is a Member of the European Parliament (MEP) for South East England.
She was elected to the European Parliament in 2009, and re-elected in 2014; and in 2019, coming in second behind Nigel Farage of the Brexit Party with 25.75% of the vote.