Inés Efron (born May 9, 1984 in Mexico City) is an Argentine actress.

In her XXY role, Efron's character is a 15-year-old intersex person trying to make a decision about their identity.

Efron pointed out that "I liked the Alex character a lot and thought: I can do that.

[citation needed] Efron is cited by Internet portal Ciudad.com.ar as "one of the most interesting arising actresses of Buenos Aires.

She also worked in theater with Lola Arias in the works Poses para dormir, Sueño con revólver, Temporariamente agotado and Demo of Ignacio Sánchez Mestre.