1946 Idaho Southern Branch Bengals football team

The 1946 Idaho Southern Branch Bengals football team was an American football team that represented the University of Idaho, Southern Branch (later renamed Idaho State University) as an independent during the 1946 college football season. In their fourth season under head coach John Vesser, the team compiled a 4–3–1 record and were outscored by their opponents, 146 to 75.

End Harry Dickson was selected to the second team of the 1946 Little All-America college football team. The Bengals had most recently fielded a team in 1944, as no team was fielded during 1945 due to World War II. This was the first season that the team's stadium was formally named the Spud Bowl.