Judith Evelyn Jyothi Prakash (née de Cruz; born 19 December 1951) is a Singaporean judge in the Supreme Court.

[3] After graduating from National University of Singapore in 1974, where she obtained a first-class honours degree,[4] Prakash did her pupillage under David Marshall though she initially found the practice of criminal law not something that suited her.

[6] Prakash was inducted in 2016 to the Singapore Women's Hall of Fame and previously chaired the Raffles' Girls School Board of Governors.

[8] In its media release, the Editor in Chief of Her World said that given her professional journey, "Justice Judith Prakash is an inspiration, not just for those in the legal field, but also to all Singapore women.

[12] She has also been described as "an extraordinary jurist, a history maker, a class act and a truly wonderful human being" and a "tireless advocate for quality legal writing and publishing".