Marron or Marrón is a Spanish surname, which is most common today in Mexico. There is an (unrelated) Irish surname, Ó Mearáin, that is anglicised as ‘Marron,’ originating in County Monaghan. Notable people with the surname include:
Donald B. Marron Sr. (1934–2019), American financier, private equity investor and entrepreneur Donald B. Marron Jr., American economist Juan María Marrón (1808–1853), settler of Mexican California Loretta Marron (born 1951), chief executive officer of the Australian Friends of Science in Medicine Paul-Henri Marron (1754–1832), French-Dutch pastor Raymond V. Marron (1899–1978), American football coach Sam Marron (1884–1954), Australian footballer