The 2018 Eastern Washington Eagles football team represented Eastern Washington University in the 2018 NCAA Division I FCS football season. The team was coached by second year head coach Aaron Best. The Eagles played their home games at Roos Field in Cheney, Washington and were a member of the Big Sky Conference. They finished the season 12–3, 7–1 in Big Sky play to finish in a three-way tie for the Big Sky championship with UC Davis and Weber State. They received an at-large bid to the FCS playoffs, where they defeated Nicholls, UC Davis, and Maine to advance to the National Championship Game, where they lost to North Dakota State.