Waldemar Koch (25 September 1880 – 15 May 1963) was a German liberal politician and economist.

He received a doctorate in 1907 for a dissertation titled "Consolidation in the German Electrical Industry" ("Konzentration in der dt.

[1] Between 1907 and 1910 he undertook an extensive study tour that included Russia, China and the United States.

After World War II he co-founded the Liberal Democratic Party of Germany (LDPD) in the Soviet Occupied Zone (SBZ).

He opposed the land reform plans of the Soviet authorities and the Socialist Unity Party (SED).