Ian Hawk is the stage name of American voice actress Brianne Siddall, who has been active in the anime industry since the late 1990s. Siddall adopted the Ian Hawk pseudonym for a significant portion of her voice-over work in anime dubs produced during that period.

Her career in this field includes roles for prominent distributors and dubbing studios such as Pioneer Entertainment (later Geneon) and Bang Zoom! Entertainment. One of her early notable credits under the Ian Hawk name was providing the voice of Yahiko Myojin for the initial Sony dub of the Rurouni Kenshin series, which was released in the United States under the title Samurai X.

Ian Hawk's body of work encompasses a variety of roles in anime series and OVAs from the late 1990s and early 2000s. In the series Outlaw Star, she voiced the young crew member James "Jim" Hawking. She is also recognized for voicing the character Tsukasa in the series.hack//Sign. Her filmography during this era includes the role of Al Izuruha in the Mobile Suit Gundam OVA, Mobile Suit Gundam 0080: War in the Pocket, a role specified by the user. She voiced Gen Tanaka in The Legend of Black Heaven and Sheyenne Rainstorm in Wild Arms: Twilight Venom, which are also among the user's listed credits. Additionally, she played the character Salt in the series A Little Snow Fairy Sugar.

Beyond the roles mentioned by the user, Ian Hawk contributed voices to many other anime series. These include appearances in Serial Experiments Lain as Taro, Trigun as Tonis and a Boy, and Cowboy Bebop in various minor roles. She was also part of the casts for Bastard!!, Hand Maid May, and Gate Keepers.

Throughout her career using the Ian Hawk pseudonym, Siddall frequently collaborated with a recurring group of Los Angeles-based voice actors. She worked alongside performers such as Wendee Lee, Steve Blum (sometimes credited as David Lucas), Julie Maddalena, and Jamieson Price on numerous dubs, including Wild Arms: Twilight Venom and The Legend of Black Heaven. Her work during this period is also closely associated with specific dubbing studios and their productions, contributing to the English-language versions of anime that aired on platforms like Cartoon Network's Toonami and Adult Swim blocks.

In addition to her work in anime, Siddall, under the Ian Hawk name, provided voices for live-action productions such as Power Rangers Lightspeed Rescue and Power Rangers Time Force. Her contributions to English dubs also include the role of Kenichi in the film Metropolis. In later years, following a serious accident in 2011 that affected her ability to speak, Siddall has continued to work in voice-over under other pseudonyms, including Brianne Brozey and Murray Blue, taking on roles in projects such as Gurren Lagann and Blue Exorcist.