| SLC Twenty20 Tournament | |
| Country: |  Sri Lanka |
| Administrator: | Sri Lanka Cricket |
| Cricket Format: | Twenty20 |
| First: | 2004 |
| Last: | 2022 |
| Next: | 2023 |
| Tournament Format: | Double round-robin and knockout |
SLC Twenty20 Tournament was a Twenty20 domestic cricket competition in Sri Lanka held by Sri Lanka Cricket. It was conducted from 2004 to 2007 and was held between the clubs in Sri Lanka. From 2008, SLC Super Provincial Twenty20 became the premier domestic Twenty20 competition in Sri Lanka.
See main article: 2004 SLC Twenty20 Tournament.
The 2004 Twenty20 Tournament was held between 17 August and 3 September 2004 in Colombo.[1]
Winner: Chilaw Marians
Runner-up: Colts
The 2005–06 Twenty20 Tournament was held between 8 October and 5 November 2005.[2]
Winner : SSC
Runner-up : Chilaw Marians
The 2006–07 Twenty20 Tournament was held between 28 February and 4 March 2007.[3]
Winner : Ragama
Runner-up : Saracens Sports Club
See main article: 2007-08 SLC Super Provincial Twenty20.
The 2007-08 Inter-Provincial Twenty20 was held between 17 April and 1 May 2008.[4]
Winner : Wayamba
Runner-up : Ruhuna
See main article: 2008-09 SLC Super Provincial Twenty20.
See main article: 2009-10 SLC Super Provincial Twenty20.
See main article: 2011 SLC Super Provincial Twenty20.
Winner : Badureliya Cricket Club
Runner-up : Sinhalese Sports Club
See main article: 2015-16 AIA Premier T20 Tournament.
Winner : Sri Lanka Army
Runner-up : Tamil Union
See main article: 2017–18 SLC Twenty20 Tournament.
The 2007-08 Inter-Provincial Twenty20 was held between 17 April and 1 May 2008.[5]
Winner : Nondescripts Cricket Club
Runner-up : Colombo Cricket Club
See main article: 2018–19 SLC Twenty20 Tournament.
Winner : Moors Sports Club
Runner-up : Nondescripts Cricket Club
See main article: 2019–20 SLC Twenty20 Tournament. Winner : Colombo Cricket Club
Runner-up : Chilaw Marians Cricket Club
See main article: 2020–21 SLC Twenty20 Tournament. Winner : Sinhalese Sports Club
Runner-up : Sri Lanka Army Sports Club
See main article: 2021 SLC Invitational T20 League. Winner : SLC Greys
Runner-up : SLC Reds
See main article: 2022 SLC Invitational T20 League. Winner : SLC Reds
Runner-up : SLC Blues