The former couple's 21-year-old daughter is one of six children they had together before their split in 2016 after two years of marriage and more than a decade in a relationship.
According to People magazine, court documents show Zahara filed a petition with the Superior Court of California for a change of name.
A source close to Pitt told the outlet: "It's sad to see someone repeatedly publicise their successful alienation of their children from the other parent."
The filing is said to date to April 28, just days after Zahara's brother Maddox, 24, filed to legally removed the Once Upon A Time In Hollywood actor's last name.
Jolie and Pitt, whose divorce was finally in 2024, also have children Pax, 22, Shiloh, 20, and twins Knox and Vivienne, 17, together.
In 2024, Shiloh was granted a name change, and now goes by Shiloh Jolie, while Zahara has made a few hints that she could have changed her name too.
On May 17, when she stepped out in May for her college graduation for a psychology degree, there was another suggestion about the name change.
Although she was listed in the commencement programme as Zahara Marley Jolie-Pitt, when she went to collect her diploma her name was read out as Zahara Marley Jolie.
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