Will Ferrell is associated with being a Seahawks fan mostly because of his long‑time friendship with former Seattle head coach Pete Carroll and his playful public appearances with the team, not because he has deep roots in Seattle itself.

Basic reason

  • Ferrell is a USC alumnus, and Pete Carroll became a star head coach while leading USC’s football program in the 2000s, which is where their close relationship started.
  • When Carroll left USC to coach the Seattle Seahawks, many USC-connected celebrities, including Ferrell, informally “followed” him to Seattle, showing up at practices, games, or team events in support.

Public Seahawks moments

  • Ferrell has appeared in Seahawks-related content, like crashing a team Zoom meeting posing as tight end Greg Olsen, joking with players and clearly enjoying the Seahawks environment.
  • These high-profile, viral interactions made fans and media label him as a Seahawks fan, even though he is actually from Orange County, California, not the Pacific Northwest.

Fan identity vs. friendship

  • There is no definitive statement that the Seahawks are Ferrell’s one true favorite NFL team; rather, his visible support stems from his connection to Carroll and the fun he has with the organization.
  • Online forum discussions often describe it as “he’s basically supporting Pete Carroll wherever he goes,” suggesting his fandom is more about loyalty to a friend and alma mater than about Seattle itself.

TL;DR: Will Ferrell is widely seen as a Seahawks fan because he’s a USC alum who became friends with Pete Carroll at USC and then publicly supported Carroll’s Seahawks with funny appearances and on-camera moments, which cemented the perception that he’s part of the “12s.”

Information gathered from public forums or data available on the internet and portrayed here.