Emma Dawn Best (born 23 March 1991) is a British politician who has been deputy leader of the Conservatives in the London Assembly since May 2023, and a Member of the London Assembly (AM) for Londonwide since 2021.

[1] She is currently a councillor on Waltham Forest Borough Council where she is Leader of the Conservative Group.

She served as a councillor in Redbridge for the Church End ward between 2014 and 2018.

In 2021, she stood in the North East London constituency, coming third.

[2] Best was elected as Deputy Leader of the London Assembly Conservative Group in May 2023.