Haruhi Suzumiya (涼宮 ハルヒ Suzumiya Haruhi?) is the title character and female protagonist of the Haruhi Suzumiya series created by Nagaru Tanigawa. Despite the series being named after her, the main protagonist in the story is Kyon. She possesses unconscious god-like abilities to change, destroy, and reshape reality to her desires. In an interview, Tanigawa stated that the idea for the character came during a sleepless night at the beginning of the 21st century.

A beautiful, but eccentric and headstrong high school student, Haruhi is depicted as having a great disdain for anything that she views as normal or mundane, and is only interested in supernatural beings or mysterious occurrences. Her displeasure with the school's "normal" after-school clubs leads her to gather up several students (Kyon, Yuki Nagato, Mikuru Asahina, and Itsuki Koizumi) and found her own: the SOS Brigade. Much of the activities of the club and its members, however, become increasingly involved with incidents caused by her abilities