Luca Udvardy (born 4 November 2005) is a Hungarian junior female tennis player.
Udvardy has a career high ITF junior combined ranking of 14 achieved on 31 October 2022.
Udvardy made her WTA Tour debut at the 2021 Budapest Grand Prix where she received a wildcard to the doubles main draw.
She was runner-up in the 2022 Wimbledon girls' singles, losing to Liv Hovde in the final.
Her older sister Panna is also a professional tennis player.