Giordano mainly worked as a journalist after 1980, focusing on paranormal phenomena. In 1999 she received the Donald E. Keyhoe Journalism Award for this.
She is not to be confused with the stage actress and director of the same name born in 1965.
She was in the second place at the Miss Europe contest in 1967.
She is foremost known for her appearances in the Italian exploitation cinema in the late 1960s and in the 1970s.
Daniela Giordano was the winner of local beauty pageants in her hometown Palermo and by the year 1966, as Miss Sicily, won the Miss Italia contest.
Giordano retired from cinema by 1980, temporarily ending her career with Secrets d'adolescentes by Gérard Loubeau featuring French porn star Brigitte Lahaie.
In the 2001/02 season she was part of the stage ensemble led by Gabriele Lavia.
Giordano returned to acting in 2015 with roles in Luciano Imperoli's Help Me Have No Human Ways and Valentina Gebbia's Erba Celeste.
She had been active in a plethora of genres including commedia all'italiana, commedia sexy all'italiana, poliziottesco, and Spaghetti Western.