Antti Juhani Sarpila (born 11 June 1964) is a Finnish jazz clarinetist.
He performed in a Benny Goodman-inspired style and studied under Bob Wilber. He was a part of the tribute to Benny Goodman at Carnegie Hall in 1988 and played in six American tours. His A. S. Swing Band was established in 1982 and has released over ten albums. An anniversary DVD, 20th Anniversary Concert live at Finlandia Hall was released in 2002. He performed at Carnegie Hall in 2000 with the Swedish Swing Society and has been in a quartet with Lars Erstrand, Mark Shane, and Björn Sjödin. He was a guest of Gerhard Aspheim's Oldtimers to celebrate the 25-year anniversary at Oslo Jazzfestival. He performed at the Oslo Jazzfestival 2006 with the Stokstad/Jensen Trad Band.
In 1997, he won the Yrjö award. According to the Finnish magazine Hymy (6–7/2008) Sarpila is a Freemason.