Diary of a Wimpy Kid: The Third Wheel (Book 7)
- Publisher: Penguin
- ISBN: 9780141345741
- Ex Tax: €8.60
Diary of a Wimpy Kid: The Third Wheel is a 2012 bestselling children's novel and the seventh book in the Diary of a Wimpy Kid series, written by American author Jeff Kinney. Kinney announced the book in March 2012, with The Third Wheel's cover revealed in May 2012. The book was released on November 13, 2012.