Joseph Murdock or Murdoch may refer to:
Joseph B. Murdock (1851–1931), United States Navy rear admiral Joseph R. Murdock (1858–1931), American politician from Utah Joseph S. Murdock (1822–1899), American colonizer, leader, and Mormon hymn writer Joseph S.F. Murdoch, American golf bibliographer, author, and collector Joseph Murdoch (mineralogist) (1890–1973), American, see Murdochite
See also Joe Murdoch (1908–2002), Australian rules footballer