La Farge, LaFarge or Lafarge can refer to:

• Antoinette LaFarge (1966–), American artist and writer
• Christopher Grant LaFarge (1862–1938), American architect and partner in the firm Heins & LaFarge
• Christopher Grant La Farge (author) (1897–1956), American author
• Daisy Lafarge (1992–), British poet and writer
• Guy Lafarge, songwriter for France in the Eurovision Song Contest 1957
• Henri Pavin de Lafarge (1889–1965), French businessman and politician
• Jean-Baptiste Lafarge, actor in La Crème de la crème
• John La Farge (1835–1910), American stained glass artist and writer
• John LaFarge, Jr. (1880–1963), American Jesuit priest
• L. Bancel LaFarge (1900–1989), American architect
• Marie Lafarge (1816–1852), French murderer
• Oliver La Farge (1901–1963), American writer and anthropologist
• Paul La Farge (1970–2023), American novelist
• Peter La Farge (1931–1965), American folk singer
• Pokey LaFarge (1983–), American musician and songwriter

• Henri LaFarge, butler in A Shot in the Dark
• Kenneth Lafarge, character in the novel Drakon

• Lafarge (company), French industrial company
• LafargeHolcim, merger of Holcim and Lafarge cement firms
• Lafarge Tarmac, British industrial company

• Gare de Lafarge, a train station in Saint-Hilaire-les-Places, France
• La Farge, a village in Wisconsin, United States
• Lafarge Falls, in Hamilton, Ontario, Canada
• Lafarge Lake, in British Columbia, Canada
• Lafarge Rocks, near the Antarctic Peninsula
• Lafarge Lake–Douglas Station, the SkyTrain terminus station of the Evergreen Line extension to Coquitlam, in Metro Vancouver, Canada
• La Fargeville, New York, a hamlet in New York, United States