Nelly Prono (August 7, 1926 - August 29, 1997) was a Paraguayan actress who had a long career in Argentine theatre, radio, television and film.
She began in Argentine theatre in 1947 with MarÃa Esther Podestá.
In the 1970s and 1980s she enjoyed a film career, appearing in pictures such as Pájaro loco (1971), Papá Corazón se quiere casar (1974), Los enemigos (1983), and Fernando Ayala's Pasajeros de una pesadilla (1984), among others.
In television one of her notable roles was in Andrea Celeste, with Andrea Del Boca.
She died in 1997 after a stroke and a period in a vegetative state.