Cristina Buc?a (born 1 January 1998) is a Moldovan-born Spanish tennis player.
She has a career-high singles ranking of world No.
270, as of April 2019.
She also has a career high doubles ranking of No.
167, as of November 2018.
Buc?a won her first major ITF title at the 2018 L'Open 35 de Saint-Malo in the doubles draw, partnering María Fernanda Herazo.