1920 Toronto Argonauts season

The 1920 Toronto Argonauts season was the 34th season for the team since the franchise's inception in 1873. The team finished in first place in the Interprovincial Rugby Football Union with a 5–1–0 record and qualified for the playoffs. After defeating the Toronto Rowing and Athletic Association in the Eastern Final, the Argonauts lost the 8th Grey Cup to the Toronto Varsity Blues.

Grey Cup
December 4 @ Varsity Stadium (Attendance: 10,088)