Büchler or Buechler is a German surname. Notable people with the surname include:
Adolf Büchler (1867–1939), Austro-Hungarian rabbi, historian and theologian
Heinrich Bichler (also Hans Bichler, Heinrich Büchler or Hans Büchler), Swiss painter
Jean-Pierre Büchler (1908–1993), Luxembourgian politician
John Carl Buechler, American director, actor, and special effects and makeup artist
Jud Buechler (born 1968), American professional basketball player
Markus Büchler (born 1955), German surgeon and university professor
Nicole Büchler (born 1983), Swiss pole vaulter
Sándor Büchler (1869–1944), Hungarian rabbi and educator
