The Celtics have had several different logo designs during the franchise's 75 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.

Boston Celtics logo from 1996-2021
1996-2021
Boston Celtics logo from 1979-1995
1979-1995
Boston Celtics logo from 1969-1978
1969-1978
Boston Celtics logo from 1961-1968
1961-1968
Boston Celtics logo from 1951-1960
1951-1960
Boston Celtics logo from 1947-1950
1947-1950