Renown SC was founded in 1981.[5] The club emerged champions in the Sri Lanka Champions League four times in 1990, 1993, 1994 and 2009.[6] They became the first Sri Lankan club to sign numerous Indian players for a single season, signing Shaji Varghese, Shibu Stellas and Shyam Simon (all from Kerala) in 2004.[7][2] In 2004, Renown participated in the 110th IFA Shield in 2004, in Kolkata.
They appeared in the 2010 edition of AFC President's Cup,[8] but could not proceeded to the knockout stages.
1982, 1987 : Silver Cup Champions.
1983 : Colombo League "C" Champions.
1983 : Y.A Sugathadasa Memorial Cup Champions.
1989, 1991 : Abdul Rahuman Gold Cup Champions.
1989 : Mayor's Cup Champions.
1989 : M.H. Mohamed Gold Cup Champions.
1989, 1991 : Jayantha Mallimarachchi Memorial Cup Champion
1989 : Vincent Peeris Memorial Cup Champion. (Renown SC Founder)
1991 : Police Invitation Cup Champion.
1992 : Sri Lanka School Invitation Cup Champions.
1993 : Lawrence Fernando Memorial Cup Champions. (Ratnam SC Founder)
1993 : Mahinda Aluvihara Memorial Cup Champions.
1994 : Ratnam Invitation Cup (Renown Vs Malaysia FA Champions).
1998 : Viven Gunawardana Memorial Trophy Champions.
2009 : Futsal Champions.
2009 : Dialog Champion League Champion.
2012 : Dialog Champion League. Runners up.
2015 : Dialog Champion League. Runners up.
2016 : Dialog Champion League. Runners up.
2017 : Dialog Champion League. Runners up.