Arthur Lyon may refer to:
Arthur Lyon (fencer) (1876–1952), American fencer Arthur Lyon (rugby union) (1851–1905), England rugby union international Arthur Sidney Lyon (1817–1861), Australian journalist and newspaper proprietor Arthur Anderson Lyon (1876–1962), founder of Arthur Lyon & Co.
See also Arthur Lyon Bowley (1869–1957), English statistician and economist Arthur Lyon Cross (1873–1940), American historian
Companies Arthur Lyon & Co (ALCO), British manufacturer of generator sets