Alejandra Boero (December 9, 1918 – May 4, 2006) was an Argentine theater actress and director born in Buenos Aires.
In 1950 she founded Nuevo Teatro, an institution that aimed to renew stage forms and built two theaters in Buenos Aires.
She acted or directed more than 40 plays and then, in 1970, she founded a drama school and the experimental Andamio 90 theater.
Besides her work in theater, she acted in three films: Todo sol es amargo (1966), Don Segundo Sombra (1969), and La Película (1975).
She died at the age of 87, having suffered for many years of pulmonary hypertension.