Siiri Nordin (born 15 October 1980 in Helsinki) is a Finnish singer.
She was the lead singer of the now defunct Finnish rock band Killer.
In 2003 Nordin had a hit on her own with the song "Sydämeni osuman sai" included on the soundtrack of the movie Helmiä ja sikoja.
The song is a cover version of the Gene Pitney hit song "Something's Gotten Hold of My Heart".
In 2004 Nordin took a break from music and receded to boat carpenting.
She also entered civil union with her girlfriend Mirja in the autumn.In April 2006, she released a solo album called "Me Too", published by the Finnish label Next Big Thing.
In March 2008 she released the Finnish-language album "Lyö Tahtia".