Toivo Nestori Aro (born Toivo Nestori Ahlstedt, 9 February 1887 – 8 October 1962) was a Finnish sports leader and an aquatics athlete who won 10 Finnish championships.

Sports

Olympic participation

Aro was the Chef de Mission of Finland at the 1928 Winter Olympics. He was the leader of Finland's swimming team at the 1924 and 1936 Summer Olympics. In 1924, he was also a diving judge.

National athlete

Aro won ten Finnish national championship golds in aquatics: He was a member of eight clubs, all Helsinki-based:

Sportsleader

Aro was a board member of the International Ski Federation in 1926–1930. He was the chairman of the Finnish Ski Association in 1916–1926. He was a board member of Finnish Olympic Committee in 1919–1946 and its treasurer in 1929–1957. He was the chairman of the Finnish Swimming Federation in 1928–1946 and its honorary chairman. He was the progenitor of the Yrjönkatu Swimming Hall, the first public indoor swimming hall in Finland. He was the founding member of Suomen Latu, a national non-profit organisation for promoting outdoor recreation and physical activities, and its inaugural chairman in 1938. He was active in many other notable Finnish sports organizations in the 1920s and 1930s.

Other

Aro was born and died in Helsinki. His parents were Henrik Gustav Aro Ahlstedt and Mariaana Karoliina Forsell. They Finnicized their family name from Ahlstedt to Aro on 12 May 1906. He married dentist Katri Lille (1890–) in 1916. They had six children: He was the chief executive officer of the bank Helsingin Suomalainen Säästöpankki in 1925–1957. He was the editor-in-chief of Urheilulehti in 1917–1918. He wrote some works, such as a fifty-year history of Helsingin Suomalainen Säästöpankki, banking-related manuals, sport and temperance movement histories. He was awarded the Knight of the White Rose of Finland. His wife received the Commemorative medal of the Winter War.