Dārziņš (Old orthography: Dahrsin; feminine: Dārziņa) is a Latvian topographic surname, derived from the Latvian word for "garden" (dārzs). Individuals with the surname include:
Emīls Dārziņš (1875–1910), Latvian composer, conductor and music critic Lauris Dārziņš (born 1985), Latvian ice hockey player Volfgangs Dārziņš (1906–1962), Latvian composer