Georgia Nathalie Lock (born 25 October 1996) is an English actress and presenter. She starred in the children's series Sadie J, The Evermoor Chronicles, and presented the CBBC magazine show Friday Download.

Lock was born in Aylesbury Vale and grew up in rural Buckinghamshire. She attended Waddesdon Church of England School. Her mother began taking her to drama classes in Winslow when she was eight.