Julia Louise Lopez (née Dockerill; born June 1984)[3] is a British Conservative Party politician who has been the Member of Parliament (MP) for Hornchurch and Upminster since 2017.

[5] Before entering the House of Commons, she served as a local councillor on the Tower Hamlets London Borough Council, and a parliamentary aide.

[10] Whilst Dockerill was Field's parliamentary aide she was photographed in November 2016 carrying confidential notes on a Brexit-related meeting in Downing Street which indicated that the UK would not stay in the single market, and would not seek a transitional deal with the EU.

[11][12] In 2014, Dockerill was elected a councillor for St Katharine's and Wapping Ward on Tower Hamlets London Borough Council.

[21] On 6 July 2022, Lopez resigned from government, citing Boris Johnson's handling of the Chris Pincher scandal, in a joint statement with fellow Ministers Kemi Badenoch, Neil O'Brien, Lee Rowley and Alex Burghart.