Mallon is a surname. An Irish variant is "Ó Mealláin". The name may refer to:
Andy Mallon (born 1983), Irish Gaelic football player
Bill Mallon (born 1952), American historian
Brian Mallon (born 1952), American actor
Feardorcha Ó Mealláin, Irish poet
George B. Mallon (1865–1928), American journalist
George H. Mallon (1877–1934), American army captain and Medal of Honor receipient
Gui Mallon (born 1953), Brazilian composer
Henry Neil Mallon (1895–1983), American businessman
Henry Ó Mealláin (1579–1642), Irish Franciscan friar
Jean Mallon (1904–1982), French palaeographer
James Joseph Mallon (1874–1961), British political activist
Jim Mallon (born 1956), American television producer
Mary Mallon (1869–1938), American typhoid carrier
Meg Mallon (born 1963), American golfer
Nichola Mallon (born 1979), Irish politician
Ray Mallon (born 1955), British politician
Ryan Mallon (born 1983), British football player
Seamus Mallon (born 1936), Irish politician
Tarlach Ó Mealláin, Irish writer
Thomas Mallon (born 1951), American writer
Mallon Building, Indiana
Mallon Wikipedia (Text) CC BY-SA