Patricia "Patsy" Walker is a superhero appearing in American comic books published by Marvel Comics. Created by Stuart Little and Ruth Atkinson, Patsy Walker first appeared in Miss America Magazine #2, published by Marvel precursor Timely Comics, and became Hellcat in The Avengers #144. She premiered as the star of a teen romantic-comedy series, and was later integrated into Marvel superhero franchises such as the Avengers and the Defenders as Hellcat.

Patsy Walker is a comic book title featuring the character Patsy Walker originally published by Timely Comics beginning in 1945, by Atlas Comics from 1951 to 1961, and later by Marvel Comics.