Hoerner or Hörner is a surname that may refer to:
Spelled as Hoerner: Dan Hoerner (born 1969), American guitarist, vocalist, and author Dick Hoerner (1922–2010), American football player Hanna von Hoerner (1942–2014), German astrophysicist and businessperson Joe Hoerner (1936–1996), American baseball player John Hoerner (born 1939), British businessman. Nico Hoerner (born 1997), American baseball player Sebastian von Hoerner (1919–2003), German astrophysicist and radio astronomer Sighard F. Hoerner (1906–1971), engineer and writer on aerodynamics
Spelled as Hörner: Johan Hörner (1711–1763), Swedish-Danish painter Silke Hörner (born 1965), German breast stroke swimmer