Walter Althammer (born 12 March 1928 in Augsburg, Bavarian Swabia) is a German politician, representative of the Christian Social Union of Bavaria.^[1]

Together with Hans-Jürgen Pohlenz (SPD), they are the last surviving members of the 4th Bundestag, and following the death of Elfriede Klemmert of the 3rd Bundestag on 13 April 2022, the earliest-serving living former members of the Bundestag.

• List of Bavarian Christian Social Union politicians