Quarterflash is the debut album of American rock band Quarterflash. It was released in 1981 on Geffen Records and features the single, "Harden My Heart", which reached No. 3 on the Billboard Hot 100 and No. 1 on the Billboard Album Rock Tracks chart. The follow-up single was "Find Another Fool", which reached No. 16 on the Hot 100. The album was certified platinum in the United States by the RIAA.
All songs written by Marv Ross except as noted. All lead vocals by Rindy Ross except where noted.