Abigail Hartman is the professional alias used by the American voice actor Tia Lynn Ballard, who was born on May 11, 1986. She is prominently associated with Funimation and Sentai Filmworks, two major companies in the field of English dubs of Japanese anime.

Ballard's path to voice acting began in her hometown of Paris, Texas. While attending a local anime convention, she attended a panel with voice actors and learned that Funimation's studio was located within driving distance. At the time, she was a student at Paris Junior College and changed her major to theatre, graduating in 2006 with an associate degree in theatre and art. Her first professional voice acting role was with Funimation on the series Dragonaut: The Resonance.

As Abigail Hartman, Ballard has contributed her voice to a wide range of anime series. Other notable credits under this alias include Elizabeth Mably and Ticy Phenyl in Freezing, Nero in Dance in the Vampire Bund, Harumi Konishi in Keijo!!!!!!!!, and a young Zephyr in the film One Piece Film Z.

Beyond her work credited as Abigail Hartman, Ballard has an extensive career under her own name, with many prominent roles. These include Happy in Fairy Tail, Zero Two in Darling in the Franxx, Nanami Momozono in Kamisama Kiss, Itsuki Nakano in The Quintessential Quintuplets, Kokomi Teruhashi in The Disastrous Life of Saiki K., Yashiro Nene in Toilet-Bound Hanako-kun, and Shuna in That Time I Got Reincarnated as a Slime. Her work spans numerous other popular series such as One Piece, My Hero Academia, Black Clover, Fruits Basket, and Attack on Titan.

In addition to voice acting, Ballard frequently works as an ADR director and script writer for English dubs, contributing to the production of localized versions of series like Kono Oto Tomare! Sounds of Life and Kiss Him, Not Me. Her career reflects a sustained and significant presence in the English dubbing industry, with hundreds of credits amassed since her debut in the late 2000s.