Dame Julia Amanda Dias DBE (b. Cambridge, UK 31 January 1959)[1] is a British High Court judge.

[3] Dias was called to the Bar in 1982[4] by Inner Temple,[5] spending her early years in law as an Assistante Associée at the Paris Institute of Comparative Law.

[2] Dias joined the London-based chambers 7KBW in 1985 as the first female tenant, working in specialist commercial practice.

[6] She was appointed a Deputy High Court Judge in 2018[2] assigned to the Chancery division[4] and High Court judge on 20 March 2023,[7] assigned to the King's Bench Division by the Lord Chief Justice of England and Wales.

[5] Dias received the customary[clarification needed] damehood in 2023.