Dalma Rebeka Gálfi (born 13 August 1998 in Veszprém) is a Hungarian tennis player.
She has won seven singles and nine doubles titles on the ITF Women's Circuit.
On 12 June 2017, she reached her best singles ranking of world No.
136.
On 18 November 2019, she peaked at No.
202 in the doubles rankings.
Gálfi was given a wild card for the 2013 Budapest Grand Prix, where she made her WTA main-draw debut alongside Lilla Barzó in doubles, only to lose to the 2011 French Open champions Andrea Hlavácková and Lucie Hradecká.In December 2015, Gálfi was pronounced ITF Junior World Champion.
In that year, she won the girls' singles title at the US Open, and the girls' doubles title (with Fanny Stollár) at the Wimbledon Championships.