Heather Halley is an American film, television, stage, and voice actress known for her work across anime, video games, and animation. She was born on September 28, 1969. In the world of anime, she is best recognized for her role in the series Honey and Clover. She provided the English voice for Hagumi Hanamoto in the anime Honey and Clover and its sequel Honey and Clover II. In addition to voicing Hagumi, she also voiced the character Kaoru Morita in the first Honey and Clover series.

Beyond her anime work, Halley has an extensive career in video game voice acting. She is perhaps most widely known as the English voice of Para-Medic in the Metal Gear Solid series, including Metal Gear Solid 3: Snake Eater and Metal Gear Solid: Portable Ops. Her other prominent video game roles include Cassandra Alexandra in Soulcalibur IV, Soulcalibur: Broken Destiny, and Soulcalibur VI, as well as Chloe Valens in Tales of Legendia. She has also contributed her voice to major titles such as Final Fantasy XIV, Fire Emblem Heroes as Mirabilis, Dead Rising 3, and Rogue Galaxy. Her work extends to children's entertainment, where she has performed characters for the Nick Jr. series Olivia the Pig and Cartoon Network shows like Ben 10 and Secret Mountain Fort Awesome.

In addition to character voice work, Halley has served as a live announcer for several high-profile awards ceremonies. These include the 51st Grammy Awards, the 4th and 5th annual Spike Video Game Awards, and the 10th Nickelodeon Kids' Choice Awards. Her commercial voice-over work is also extensive, covering national campaigns for brands such as CBS, Netflix, McDonald's, and T-Mobile.