Allan Heinberg is an American film screenwriter, television writer and producer, and comic book writer renowned for his work across various media platforms. With a prolific career in television, Heinberg's writing and producing credits span popular shows such as The Naked Truth, Party of Five, Sex and the City, Gilmore Girls, The O.C., Grey's Anatomy, Looking, and Scandal. His contributions to the comic book industry are equally notable, particularly for Marvel Comics, where he co-created and scripted the acclaimed series Young Avengers and its sequel, Avengers: The Children's Crusade, collaborating with artist/co-creator Jim Cheung. This partnership led to the birth of beloved Marvel characters like Kate Bishop, Hulkling, Iron Lad, Patriot (Eli Bradley), Speed, and Wiccan. Heinberg also made significant contributions to DC Comics, including co-writing JLA: Crisis of Conscience with Geoff Johns, as well as re-launching Wonder Woman with the artistic team of Terry and Rachel Dodson.

Heinberg's silver screen success is highlighted by his screenplay for the 2017 blockbuster Wonder Woman, directed by Patty Jenkins. Furthermore, he also ventured into producing with ABC's The Catch, starring Mireille Enos and Peter Krause and was at the helm of the development of the 2022 Netflix series The Sandman. Beyond his professional achievements, Heinberg co-owns a creative space known as The Empath Magic Tree House, shared with fellow television and comic industry talents such as Jeph Loeb and Geoff Johns.