Bieri or Biery is a surname. Notable people with these surnames include:
Bieri James Bieri (1927–2025), American psychologist and biographer Lydia Bieri (born 1972), Swiss-American mathematician and physicist Maya Pedersen-Bieri (born 1972), Swiss skeleton racer Martin Bieri (born 1961), Swiss wheelchair curler, 2010 Winter Paralympian Peter Bieri (author) (1944–2023), Swiss author Peter Bieri (politician) (born 1952), Swiss politician Ramon Bieri (1929–2001), American actor
Biery Edward A. Biery (1920–2012), American film editor James Biery, American organist, composer and conductor James Soloman Biery (1839–1904), American politician