Diana Holland OBE is a British trade unionist who is the former Assistant General Secretary of Unite having retired in 2023 and was the Treasurer of the Labour Party.
Holland was awarded the OBE in the 2001 New Year Honours, for "services to Equal Opportunities in Employment".
[1] In 2006, Holland served as Chair of the International Transport Workers' Federation women's committee, and was also national organiser for women, race and equalities for the Transport and General Workers' Union (TGWU).
[2] The TGWU subsequently merged into Unite, and Holland became its Assistant General Secretary, in which post she took a leading role in negotiations around the 2012 fuel tanker drivers' dispute.
[5] Holland was elected as Labour Party Treasurer in September 2010, defeating John Prescott.