FC Sioni Bolsini is a Georgian football club based in Bolnisi. They currently feature in the Umaglesi Liga, the Georgian top flight.
FC Sioni Bolsini were established in 1936. They played in the lower divisions of Georgian football for several years and gained promotion to the Umaglesi Liga for the 1995-1996 season and have been playing in the georgian top flight ever since.
FC Sioni Bolsini finished joint first in the league in the 2003-2004 season but lost the championship playoff to FC WIT Georgia. In the 2005-2006 season, though, Sioni won the league and played in the qualifying rounds of the UEFA Champions League in the 2006-2007 season.
FC Sioni Bolsini play their home matches at the Tamaz Stephania Stadium that can accommodate 3000 spectators.