Harry's War is a 1981 American comedy-drama film from American Film Consortium and Taft International Pictures, starring Edward Herrmann, Geraldine Page, Karen Grassle, David Ogden Stiers, Elisha Cook, Salome Jens and Noble Willingham.

After his aunt dies of a heart attack while fighting the US Internal Revenue Service (IRS), mild-mannered accountant Harry Johnson decides to take up the cause in what may seem to be an unconventional manner: He declares war on the IRS.

[1] This film saw a limited two-week release in theaters in March 1981.

SelecTV, ONTV, HBO, and other premium cable movie channels ran the film in 1982, but it has never had a network television premiere or any other broadcast in the US since.

In a mid-1980s interview with David Ogden Stiers, who played the IRS director in the film, was asked what his favorite role had been and the interviewer was expecting him to say something about his character in M*A*S*H, but instead he paused for a second and said "There was this movie about the IRS and I was the biggest [bleep] in the office...."