Fiona Jane Hall is a British politician who was a Member of the European Parliament for North East England. She served as leader of the Liberal Democrats in the European Parliament from 2009 to 2014. She was elected to the European Parliament in 2004 and then re-elected in 2009.
Since 2004 Fiona Hall was a member of Group of the Alliance of Liberals and Democrats for Europe. She was also a member of national party Liberal Democrats Party, Committee on Industry, Research and Energy, Delegation for relations with the Pan-African Parliament, Delegation to the ACP-EU Joint Parliamentary Assembly and Committee on Industry, Research, and Energy. She was a substitute to Committee on Development, Delegation for relations with the Korean Peninsula and Committee on Development.