The 1946 Colorado Buffaloes football team was an American football team that represented the University of Colorado as a member of the Mountain States Conference (MSC) during the 1946 college football season.

In their fourth season under head coach James J. Yeager, the Buffaloes compiled a 5–4–1 record (3–2–1 against MSC opponents), finishing tied for fourth place in the MSC.

End John Zisch and guard Gus Shannon were selected by the International News Service as first-team players on the 1946 All-Mountain States football team.

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