You Are the Apple of My Eye is a 2011 Taiwanese coming of age romance film. It is based on the semi-autobiographical novel of the same name by Taiwanese author Giddens Ko, who also made his directorial debut with the film. The film stars Ko Chen-tung as Ko Ching-teng, a prankster and a mischievous student who eventually becomes a writer. Michelle Chen stars as Shen Chia-yi, an honor student who is very popular amongst the boys in her class.

Giddens Ko is a Taiwanese novelist and filmmaker. He has published more than 60 books, many of which have been adapted as films. He writes under the pseudonym of "Nine Knives".