Eduards Kalniņš (December 31, 1876 – June 28, 1964) was a Latvian general. He participated in the Russo-Japanese War and in the Latvian War of Independence. He was Minister of Defence of Latvia in 1926 and 1928 and was recipient of the Latvian military Order of Lāčplēsis, 2nd and 3rd class, and the Estonian Cross of Liberty.