Kate Mansi is an American actress. She is best known for playing the role of Abigail Deveraux on the NBC serial Days of Our Lives from 2011 to 2016, for which in 2017, she won the Daytime Emmy Award for Outstanding Supporting Actress in a Drama Series. She returned to the role in 2018, last appearing in May 2020. In 2023, she joined the ABC daytime series General Hospital in the role of Kristina Davis.

Abigail Deveraux is a fictional character from Days of Our Lives, an American soap opera on the NBC network. Abigail was created by scriptwriter Sheri Anderson and executive producer Ken Corday. Abigail's storylines often focus on young love and budding romances. She is a member of the high class, core family, the Hortons. She is also the daughter of popular super couple Jack Deveraux and Jennifer Horton. Abigail was often titularized as the show's younger leading heroine when the character was portrayed by Ashley Benson, and is known for her popular fan pairing with Max Brady, which spanned from 2005 to 2007, when her character left for the United Kingdom to be with her parents. The character returned to the series in March 2011, then portrayed by Kate Mansi, but departed in June 2016. Marci Miller stepped into the role from November 2016 to November 2018. Following Miller's exit, Mansi returned to the role from November 2018 to February 2019. Mansi then appeared as Abigail that August in the spin-off, Chad and Abby in Paris, and then on the main show from November 2019 to May 2020. In September 2020, Miller returned to the role, until Abigail was killed off in July 2022.