Sophia Ewaniuk (born May 10, 2002) is a Canadian child film and television actress who landed her first major role as Emma Conroy in ABC's series Happy Town, a role for which she had been nominated as a recurring lead in a television series at the 2011 Young Artist Awards.

Previously, Sophia had appeared as Riley Adler on CTV's drama Flashpoint in the season 3 episode "Severed Ties", which earned her a Young Artist Award nomination as a guest star in a television series. She has also appeared in the USA Network series Covert Affairs in the episode "The Outsiders".

Sophia has appeared as Young Gretl in the movie Witchslayer Gretl, an original Sci Fi Channel movie starring Shannon Doherty. She voiced the twins, Ada and Ida, in the TVOKids/Disney Junior animated series Ella the Elephant.

Ewaniuk's older brother Jacob is also a child actor.