Jānis Bērziņš

Jānis Bērziņš or Yan Berzin (Ян Берзин) may refer to:


 * Jānis Bērziņš (politician) (1889–1938), Soviet military official and politician
 * Jānis Bērziņš (diplomat) (1881–1938), Soviet diplomat
 * Jānis Bērziņš (basketball) (born 1993), Latvian basketball player
 * Jānis Bērziņš (biathlete) (born 1984), Latvian Olympic biathlete