Auziņš (feminine: Auziņa) is a Latvian masculine surname, derived from the Latvian word for "oats" (auzas). Individuals with the surname include:
Aleksejs Auziņš (1910–1997), Latvian footballer Igor Auzins (born 1949), Australian filmmaker Imants Auziņš (1937–2013), Latvian poet and literary critic Mārcis Auziņš (born 1956), Latvian physicist