Elizabeth Claire Kemper is an American actress, best known for her roles of Erin Hannon in the sitcom The Office (2009–2013) and Kimmy Schmidt in the sitcom Unbreakable Kimmy Schmidt (2015–2019). She has also appeared in films, notably Bridesmaids (2011), 21 Jump Street (2012), Sex Tape (2014), and Home Sweet Home Alone (2021). In 2018, she released her debut book, My Squirrel Days.

Kelly Erin Hannon is a fictional character from the U.S. comedy television series The Office, played by Ellie Kemper. She is the optimistic office receptionist for the Scranton branch of Dunder Mifflin, a position previously held by Pam Beesly before she quit to go work for the Michael Scott Paper Company. She is a character original to the American version, and has no counterpart in the original British version of the series.