Viljo "Vili" Vesterinen (26 March 1907 in Terijoki – 18 May 1961 in Helsinki) was a Finnish accordionist and composer.

[1][2][3][4][5] Vesterinen studied piano and cello in Vyborg Music Institute, but as an accordionist he was self-taught.

Other popular songs are Metsäkukkia (1931), Hilpeä hanuri (1936) and Valssi menneiltä ajoilta (1939).

Due to heavy use of alcohol and cigarettes his health deteriorated and later in his career he could not play accordion in same frequence as before.

The movie Säkkijärven polkka (1955) tells about Vesterinen's life.