1984 Cincinnati Bengals

The 1984 Cincinnati Bengals season was the team's 17th year in professional football and its 15th with the National Football League. The team lost their first five games, before winning eight of their final eleven games to finish the season with a .500 record.

The season was the first for head coach Sam Wyche, who had replaced former coach Forrest Gregg after Gregg had resigned following the previous season. Wyche had been the head coach at Indiana University in 1983.