McKenna Grace (born June 25, 2006) is an American child actress, who is most known to Disney fans as Jasmine Bernstein, the youngest sister of the Bernsteins in Disney XD's Crash & Bernstein. She has also made appearances in Dog With a Blog as Jules, Gravity Falls, and most recently K.C. Undercover as Quinn and Pickle & Peanut as Cindy and Sugarbee.

She also portrayed young Emma Swan in the fifth and sixth seasons of Once Upon a Time and voiced Kambuni in The Lion Guard and Bella in Elena of Avalor. She also plays Penny Kirkman in the ABC TV show Designated Survivor Bitsy in Mickey and the Roadster Racers and Didi in Bizaardvark.