The 1990 The Citadel Bulldogs football team represented The Citadel, The Military College of South Carolina in the 1990 NCAA Division I-AA football season. The Bulldogs were led by fourth-year head coach Charlie Taaffe and played their home games at Johnson Hagood Stadium. They played as members of the Southern Conference, as they have since 1936. In 1990, The Citadel made their second appearance in the I-AA playoffs, and second in three years.