Joseph Thauberger (26 August 1909 – 21 April 1998) was a Canadian farmer and politician. Born in Bessarabia (now Moldova), he emigrated to Canada from Russia with his parents, Andreas Thauberger and Maria Eva née Bähr, in 1911.
Thauberger stepped down from the party leadership in 1994 and was replaced by Claire Foss. The party merged into the Canadian Action Party in 1997. Joseph Thauberger died in Regina, Saskatchewan in April 1998. He is buried in Riverside Cemetery in Regina.
Joseph Thauberger's son, Dr. Patrick Cyril Thauberger, disappeared in Regina in 1997 while travelling from Winnipeg to Edmonton. He has yet to be found.