The Cowboys have had several different logo designs during the franchise's 5 year history. Prior to the 1950s, many teams did not have formal logos. In that case, a photo of their jersey or their team colors is shown below.

Calgary Cowboys logo from 1976-1977
1976-1977
Calgary Cowboys logo from 1974-1975
1974-1975
as Vancouver Blazers
Calgary Cowboys logo from 1973-1973
1973
as Philadelphia Blazers