Rodrigo Kalniņš (13 April 1883 – 22 February 1940)[1] was a Latvian actor.
Kalniņš was born 13 April 1883 in Riga into a clerks family.
He ended high school and began working as a railway clerk.
During World War I he worked with different theatrical ensembles in Vitebsk and Valka.
Kalniņš spent his last years as manager of the Jūrmala Theatre.