Katlyn Dannes is an American voice actress based in Dallas, Texas, who works primarily in animation and video games. She maintains a broadcast-quality home studio and has accumulated several years of professional industry experience. Her vocal range has been described as energetic and emotional, spanning characters from young children to mature adults, and she is proficient in a variety of accents including neutral American, Southern, British, and French. Outside of voice work, she also offers services such as audio editing and music production.

Dannes has gained experience working in studio settings with ADR (automated dialogue replacement) for companies such as Sun Works Animation and Centauro Communications. She has also pursued specialized training, including courses in extreme vocal techniques, ADR fundamentals, and animation auditioning.

Her most notable anime voice role to date is RuiRui in the English dub of the series Isekai Onsen Paradise, an anime adaptation of the light novel by Konau Menrui. The English dub for this series was produced by Ascendent Animation, with Sean Tay serving as director. Dannes portrays the character RuiRui alongside a cast that includes Christopher Escalante, Diana Garnet, and Laura K. Welsh.