Walter Edwin McCornack (January 22, 1875 – June 30, 1939) was an American football player, coach, and lawyer.

He served as the head football coach at Dartmouth College from 1901 to 1902 and at Northwestern University from 1903 to 1905, compiling a career college football coaching record of 41–8–5.

His winning percentage of .800 is the highest in Northwestern Wildcats football program history.

He attended Chicago's Englewood High School before entering Dartmouth with the class of 1897.

This biographical article relating to a college football coach first appointed in the 1900s is a stub.