Margeris Zarinš (24 May 1910, Jaunpiebalga – 27 February 1993, Riga) was a Latvian composer and writer.
He was an author of symphonic and vocal symphonic music, choir music, vocal chamber music, cantatas, oratories and operas; contemporary picaresque novels and short stories.
He is considered to be the first representative of the Postmodern style in Latvian literature.