Peggy Willis-Aarnio (born January 12, 1948) is an American choreographer, historian, author and teacher of classical ballet. She was a professional dancer in the early 1970s with the Ft. Worth Ballet in Fort Worth, Texas. She was the first American ballet teacher to be sanctioned as a "Certified Practitioner and Teacher of the Teaching Method of Classical Ballet"? by the Vaganova Academy in Saint Petersburg, Russia.