Singleton died at age 51 Monday in Los Angeles, 12 days after having a stroke.
He was hospitalized April 17 after he experienced leg weakness on a long flight.
Singleton has been in a medically induced coma before his family decided to remove life support.
"Mourning the loss of a collaborator & True Friend John Singleton. He blazed the trail for many young filmmakers, always remaining true to who he was & where he came from!!! RIP Brother. Gone Way Too Soon!" Jackson said.
"God blessings ... you changed a culture with your art ... and impacted the world with your vision," Foxx said alongside a photo of Singleton.
"You were just at the house ... Holding our new angel in your arms ... I asked you that day would you be Soraya's God Father," Gibson said alongside photos of Singleton with the actor's infant daughter. "Love you bro ... my heart hurts," he wrote.
"There aren't many of us out here doing this. It's a small tribe in the grand scheme of things. He was a giant among us. Kind. Committed. And immensely talented. His films broke ground. His films mattered. He will be missed. And long remembered. Thank you, John. #RunIntoHisArms," DuVernay said alongside a photo of herself hugging Singleton.
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"I was discovered by a master filmmaker by the name of John Singleton. He not only made me a movie star but made me a filmmaker. There are no words to express how sad I am to lose my brother, friend & mentor. He loved bring the black experience to the world," Ice Cube said alongside a photo of himself posing with Singleton.
"RIP John Singleton. So sad to hear. John was a brave artist and a true inspiration. His vision changed everything," Jordan Peele said.
"The best life is when we leave a trail. We leave something on this earth bigger than us. John Singleton ... you inspired a generation of Artists. We will shoulder on ... "May flights of angels sing thee to thy rest. RIP," Viola Davis said.
"Sad sad news. Such a good director and so well regarded everywhere he went. We will miss his work and his storytelling voice. RIP #JohnSingleton," Ron Howard said.
Singleton was the first black and youngest filmmaker to be nominated for an Oscar for Best Director in 1991 for "Boyz n the Hood."
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