Hortensia \ho-rten-sia, hor-te-nsia\ as a girl's name is pronounced or-TEN-see-ah. It is of Latin origin, and the meaning of Hortensia is "garden". The English form Hortense is rare.

Hortensia has 8 variant forms: Hartencia, Hartinsia, Hortencia, Hortense, Hortenspa, Hortenxia, Hortinzia and Ortensia.