Project 8

Project 8 may refer to:
 * Tony Hawk's Project 8, a skateboarding video game released in 2006
 * Northern Super League, a Canadian women's soccer league first announced as Project 8
 * Project 8, a neutrino mass measurement experiment conducted by Yale University at the University of Washington in Seattle
 * Project 8, a district in Quezon City, the Philippines, composed of the barangays Bahay Toro, Baesa, and Sangandaan
 * Project 8 Projects, a Filipino film and television production company named after the district, which co-produced Alone/Together (2019) and Drag Den (2022)
 * Jaguar XE SV Project 8, a limited-edition version of the Jaguar XE released in 2017
 * Project 8 Winery, a proposed 42-acre winery in Placer County, California