Lia Marie Johnson is an American actress, singer and Internet personality who was voted by Adweek in 2014 as one of the "10 Biggest Young Stars on YouTube". She was first recognized for her work on the YouTube channel, where she became known for creating skits and song covers. She has also appeared in the Fine Brothers Kids React web series. Johnson starred in the comedy sketch series AwesomenessTV, where she is said to play Terry the Tomboy, with whom she also starred in the Nickelodeon TV series Terry the Tomboy. In 2015, Johnson debuted singing with the single "Moment Like You". The following year, she signed with Capitol Records and released the single "DNA", featured in the YouTube Premium The Thinning movie, in which she also played the role of Ellie Harper, a role she continued in its sequel. The Thinning: New World Order. She also starred in the web series T @ gged.

Actress recognized for her roles in the films Counterpunch and Finding Cody. She also appears in Tim and Eric Awesome Show, Great Job! and The Unit. She also appeared in the Cameron Dallas film Expelled in 2014.