Eino Rudolf Woldemar Holsti (8 October 1881 in Jyväskylä – 3 August 1945 in Palo Alto, California) was a Finnish politician, journalist and diplomat.
He was the Minister of Foreign Affairs in 1919–1922 and in 1936–1938 and a member of the Finnish Parliament in 1913–1918 representing the Young Finnish Party (Nuorsuomalainen Puolue).