Lothar Lindner (born 13 January 1928 in Chemnitz) is a former German trade union leader.
He was chairman of the central committee of the building and timber industry union in the East German Free German Trade Union Federation (FDGB / Freier Deutscher Gewerkschaftsbund ) and President of the International Federation of Unions in the building, timber and building materials industries in the World Federation of Trade Unions (WFTU).