James Michael Reaves (September 14, 1950 – March 20, 2023) was an American writer, known for his contributions as a script writer and story editor to a number of 1980s and 1990s animated television series, including Gargoyles and Batman: The Animated Series.

He has also written media tie-in novels, children's books, and original fiction.

His work was often done collaboratively, notably with his then-wife Brynne Stephens (for numerous TV episodes in the 1980s and 1990s), and with Steve Perry, Neil Gaiman, Maya Kaathryn Bohnhoff, and his daughter Mallory Reaves for various novels.

[1] Reaves had Parkinson's disease, and for a time maintained a blog concerning his experiences dealing with the disease and its effects, which included difficulty typing and loss of coherent speech.

[4] Series head writer credits are denoted in bold