1978 All-Big Ten Conference football team

The 1978 All-Big Ten Conference football team consists of American football players chosen by various organizations for All-Big Ten Conference teams for the 1978 Big Ten Conference football season. The only player unanimously selected by the conference coaches as a first-team player was Michigan fullback Russell Davis. Michigan State flanker Kirk Gibson fell one point short of unanimity, and running back Marion Barber, Jr., fell two points short.

UPI = United Press International, selected by the Big Ten Conference coaches