Sayeeda Hussain Warsi, Baroness Warsi, is a British lawyer, politician, and member of the House of Lords who served as co-chairwoman of the Conservative Party from 2010 to 2012. She served in the Cameron–Clegg coalition, first as the Minister without portfolio between 2010 and 2012, then as the Minister of State for the Foreign and Commonwealth Office and as the Minister of State for Faith and Communities, until her resignation citing her disagreement with the Government's policy relating to the Israel–Gaza conflict in August 2014.

The Chairman of the Conservative Party in the United Kingdom is responsible for party administration and overseeing the Conservative Campaign Headquarters, formerly Conservative Central Office.