Kody Keplinger (born August 8, 1991, in Owensboro, Kentucky) is an American author of young adult and middle grade books. She is best known for her debut novel The DUFF, which she wrote when she was 17 years old. It was later turned into a movie of the same name.
In 2021, she wrote a graphic novel for DC antihero Poison Ivy.
Keplinger was born with Leber congenital amaurosis and is legally blind.