Alexa Helen Nikolas (born April 4, 1992 in Chicago, Illinois) is an American actress best known for her role as Nicole Bristow in the Nickelodeon series Zoey 101. She is of Greek descent.

She is an only child and has a dog named Kiwi. She loves animals and pet sits in her free time. Her mother's name is Alexandra Nikolas, a successful realtor. Her late grandfather was top in his class at Harvard Law School. Her grandmother was Miss Texas.

Is exactly one year younger than Jamie Lynn Spears, her co-star in the children's show "Zoey 101" (2005).

Friends with Victoria Justice.

She is very good friends with High School Musical star Vanessa Anne Hudgens.