- Source: Aro (surname)
Aro is a Finnish surname. Notable people with the surname include:
Carlos Aro (1939–2017), Argentine boxer
Elizabeth Aro (born 1961), Argentine artist
Johan Emil Aro (1874–1928), Finnish entomologist
Jori Aro, Finnish curler
Markku Aro (born 1950), Finnish singer
Samuli Aro (born 1975), Finnish enduro rider
Toivo Aro (1887–1962), Finnish diver
Hasse Aro (born 1957), Swedish television host and producer