Pēteris is a Latvian language masculine given name. It is a cognate of the name Peter and may refer to:
Pēteris Dzelzītis (1921-1948), Latvian soldier and partisan
Pēteris Juraševskis (1872-1945), Latvian politician and former Prime Minister of Latvia
Pēteris Kalniņš (born 1988), Latvian luger and Olympic competitor
Pēteris Lauks (1902-1984), Latvian football defender
Pēteris Plakidis (born 1947), Latvian composer and pianist
Pēteris Skudra (born 1973), Latvian professional ice hockey goaltender
Pēteris Stučka (1865-1932), Latvian politician, writer, translator, editor, jurist and president of the Supreme Court of the Soviet Union
Pēteris Vasks (born 1946), Latvian composer
Pēteris Zeltiņš (1914–1994), Latvian racewalker and Olympic competitor
