Al Pacino, 83, is expecting fourth child with Kuwaiti-American partner
Citing sources, celebrity news website TMZ said Pacino's girlfriend was eight months pregnant. It added that Pacino had been linked to Alfallah, 29, since April last year.
A representative for Pacino confirmed the actor and Alfallah were expecting a baby, without giving further details.
The Hollywood veteran, known for films such as "Scarface," "The Godfather," "The Irishman" and "Scent of a Woman" for which he won a best actor Oscar, has three adult children: Julie Marie, his daughter with acting coach Jan Tarrant and twins Anton James and Olivia, with actress Beverly D'Angelo.
Alfallah, who was born in Kuwaiti to an American mother and Kuwaiti father, grew up in Los Angeles after moving from the gulf during childhood.
Earlier this month, fellow Oscar winning actor Robert De Niro, Pacino's co-star in several films including most recently "The Irishman," confirmed he had welcomed his seventh child at the age of 79.