Elizabeth Cui Roussel (born 12 August 1997) is a New Zealand diver.

In heading to Rio de Janeiro, Cui marked the first time New Zealand had been represented in the sport since the 1992 Olympic Games in Barcelona.

Her highest 3 meter placing at the NCAA championships was tenth in her senior season.

[3] Roussel (nee Cui) will compete in the women's 3 meter springboard diving event in the Paris 2024 Olympic Games.

[4] She was the first New Zealand diver to compete at the Olympic Games in 24 years when she contested the 3m event in Rio on her 18th birthday.