Hilary J. Bader (b. April 27, 1952 – d.November 7, 2002) was a writer.
Hilary Bader was born in Brooklyn, and attended State University in Stony Brook with a major in Mathemathics. She also studied Mime in Paris and toured with Edmond Felix. She was a fan of Star Trek, and relocated to California to become a freelance script writer.
Hilary Bader died in 2002 from metastasized breast cancer. She was married to Jay Broad.
Primarily writing for Star Trek series, Bader rolled into DC productions when she wrote "Chi of Steel", an episode of Lois & Clark: The New Adventures of Superman. She was asked aboard the writing staff for the DCAU, and contributed to their shows and comics until her death.