Rachael Ann Laudiero, née MacFarlane, (born March 21, 1976) is an American voice actress, singer, and writer. Her voice credits include Hayley Smith on the animated television show American Dad!, Supreme Leader Numbuh 362 in the television series Codename: Kids Next Door and Kate Lockwell in the video game Starcraft II.
In addition to voice acting, MacFarlane has also been involved in other aspects of animation, such as being a production manager for The Grim Adventures of Billy & Mandy and Welcome to Eltingville and she wrote an episode of The Grim Adventures of Billy & Mandy, titled "Educating Grim".
MacFarlane was born in Kent, Connecticut. Her parents, Ronald Milton MacFarlane (born 1946) and Ann Perry Sager (1947–2010), were born in Newburyport, Massachusetts. Her brother is filmmaker, animator, and actor Seth MacFarlane (born 1973). She and her older brother are of English, Scottish, and Irish descent. MacFarlane's parents met in 1970, when they both lived and worked in Boston, Massachusetts, and married later that year. The couple moved to Kent in 1972, where Ann began working in the Admissions Office at South Kent School. She later worked in the College Guidance and Admissions Offices at the Kent School, a selective college preparatory school where Ronald also was a teacher.