Alyson Hannigan
- Actress Archives: Alyson Hannigan Photo Gallery - Selection of Alyson Hannigan photographs, as well as virtual cards.
- Alyson Hannigan Appreciation Society - Dedicated to the actress who portrayed Willow on Buffy the Vampire Slayer. Includes news, photographs, biography, and Willowisms.
- AskMen.com: Alyson Hannigan - Appreciation of Alyson Hannigan, who played Willow on Buffy the Vampire Slayer.
- Frog City: An Almighty Hanniganites Page - Where fans of Alyson Hannigan can contribute many creative works and make their own fun.
- IMDb: Alyson Hannigan - Photos, biography, and filmography for actress Alyson Hannigan, star of How I Met Your Mother, Buffy the Vampire Slayer, and the American Pie movies.
- Wikipedia: Alyson Hannigan - Entry on Alyson Hannigan, an American actress known for her work in How I Met Your Mother, Buffy the Vampire Slayer, and the American Pie movies. Includes bio and filmography.
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