Abby Elliott (born June 16, 1987) is an American (United States) actress and comedienne who is currently a cast member on Saturday Night Live. She is the third generation of her family to have been featured on the show (and the second to be hired as a cast member). Her father is actor and comedian Chris Elliott, who was an SNL cast member during the 1994-1995 season (History of Saturday Night Live (1990-1995)#1994-1995 season) (season 20) and her grandfather is Bob Elliott (Bob Elliott (comedian)) of the popular comedy duo Bob & Ray, who co-starred on a Christmas episode in the 1978-1979 season (History of Saturday Night Live (1975-1980)#1978-1979 season) (fourth season).

Before joining SNL, Elliott took comedy classes at The Groundlings and eventually began training and performing sketch comedy at the Upright Citizens Brigade Theater (UCBT) in Los Angeles. In 2006, Elliott appeared on "Youve Reached The Elliotts" a program that stars her father, Chris. Abby appeared in the 2007 half-hour sketch comedy show, ?Chrissy: Plain & Simple? with Ethan Zweig, Bridey Elliott and Chris Elliott. While at UCBT, she frequently performed with The Midnight Show sketch troupe. Elliott joined the cast of SNL midway through the 2008-2009 season (History of Saturday Night Live (2005-2010)#2008-2009 season), in November 2008, to replace the departing Amy Poehler. Elliott has done guest voice appearances on King of The Hill and Minoriteam.

Elliott often dyes her hair between blonde and red.