Alyson Lee Hannigan (ti a bi ni Oṣu Kẹta Ọjọ 24, Ọdun 1974) jẹ oṣere ara ilu Amẹrika ati oludari tẹlifisiọnu. O mọ julọ fun awọn ipa rẹ bi Willow Rosenberg lori jara tẹlifisiọnu Buffy the Vampire Slayer (1997<unk>2003), Lily Aldrin lori sitcom How I Met Your Mother (2005<unk>2014) fun eyiti o gba Aami Aṣayan Aṣayan ni ọdun 2009, ati Michelle Flaherty ninu jara fiimu Amẹrika Pie (1999<unk>2012).
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