Goeldi (or Göldi) is a Germanic surname. It may refer to:

• Anna Göldi (1734–1782), Swiss maidservant, executed for murder (alleged by use of witchcraft)
• Craig De Goldi (born 1975), rugby player from New Zealand
• Émil Goeldi (1859–1917), Swiss-Brazilian naturalist and zoologist, father of Oswaldo Goeldi
• Lena Göldi (born 1979), Swiss judoka
• Oswaldo Goeldi (1895–1961), Brazilian artist and engraver, son of Émil Goeldi