The Eagles have had several different logo designs during the franchise's 52 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.

St. Louis Eagles logo from 1935-1935
1935
St. Louis Eagles logo from 1918-1934
1918-1934
as Ottawa Senators
St. Louis Eagles logo from 1884-1917
1884-1917
as Ottawa Hockey Club