The Pac-12 Conference first sponsored football in 1916. This is an era-list of its annual standings from 1959 to present.
Standings
Athletic Association of Western Universities (AAWU) era (1959–1967)
Pacific-8 Conference era (1968–1977)
Pacific-10 Conference era (1978–2010)
Pac-12 era (2011–2023; 2026–present)
Pac-2 era (2024–2025)
References