The Spirits have had several different logo designs during the franchise's 9 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 Spirits logo from 1975-
1975-
St. Louis Spirits logo from 1972-1974
1972-1974
as Carolina Cougars
St. Louis Spirits logo from 1970-1971
1970-1971
as Carolina Cougars
St. Louis Spirits logo from 1969-1969
1969
as Houston Mavericks
St. Louis Spirits logo from 1968-1968
1968
as Houston Mavericks