1898 Army Cadets football team

The 1898 Army Cadets football team represented the United States Military Academy in the 1898 college football season. In their second season under head coach Herman Koehler, the Cadets compiled a 3–2–1 record and outscored their opponents by a combined total of 90 to 51. The Cadets' two losses came against undefeated co-national champion Harvard and Yale. The Army–Navy Game was not played in 1898.

Four Army Cadets were honored on the 1898 College Football All-America Team. Fullback Charles Romeyn was a consensus first-team All-American, receiving first-team honors from Caspar Whitney and the New York Sun. Quarterback Leon Kromer, tackle Robert Foy, and end Walter Smith were recognized as third-team All-Americans by Walter Camp.