Hawthorne Heights is a post-hardcore band formed in Dayton, Ohio in June of 2001. The band was originally known as A Day in the Life but changed its name as its music and lineup also changed.

Originally known as A Day in the Life, after one album (Nine Reasons to Say Goodbye) and significant line-up changes, the band changed its name to Hawthorne Heights. Drummer Eron Bucciarelli has stated that the band took their current name from the author Nathaniel Hawthorne.