Mika Sue Boorem (born August 18, 1987) is an American actress known for her roles in the films Blue Crash, Carolina, Sleepover, and Smile.

For Disney, she played young Jill Young in Mighty Joe Young, and appeared in Mickey's Fun Songs: Beach Party at Walt Disney World. She also voiced Kinuyo in Whisper of the Heart, and played Olivia Keller in the CBS/ABC Studios TV show Ghost Whisperer.