Dia Nash, born on September 28, 1999, in Los Angeles, California, is an American actress and the daughter of Emmy-winning actress Niecy Nash-Betts. She began her acting career at a young age, making her first television appearance in 2004 on her mother's show, Reno 911!, where she played a little girl in the episode "Raineesha X."
In 2018, Dia appeared on the television series "Claws," portraying a younger version of her mother's character, Desna Simms. She also had a guest role in the Netflix series "Never Have I Ever" in 2020.
In 2022, Dia took on the role of Sandra Smith in the Netflix miniseries "Dahmer – Monster: The Jeffrey Dahmer Story," acting alongside her mother, who played Glenda Cleveland. More recently, in 2024, she starred as Chloe in the Lifetime movie "Sister Wife Murder."