| 2020–21 SLC Twenty20 Tournament | |
| Fromdate: | 4 |
| Todate: | 20 March 2021 |
| Administrator: | Sri Lanka Cricket |
| Cricket Format: | Twenty20 |
| Tournament Format: | Round-robin then knockout |
| Host: |  Sri Lanka |
| Champions: | Sinhalese Sports Club |
| Participants: | 26 |
| Matches: | 79 |
| Most Runs: | Gayan Maneeshan (258) |
| Most Wickets: | Ishan Jayaratne (16) Malinda Pushpakumara (16) |
| Previous Year: | 2019-20 |
| Previous Tournament: | 2019–20 SLC Twenty20 Tournament |
| Next Year: | 2021 |
| Next Tournament: | 2021 SLC Invitational T20 League |
The 2020–21 SLC Twenty20 Tournament was a Twenty20 cricket tournament that was held in Sri Lanka. It took place from 4 to 20 March 2021.[1] Colombo Cricket Club were the defending champions.[2] A total of 26 teams took part in the tournament,[3] split into four groups, with 79 matches being played.[4]
Sinhalese Sports Club and Sri Lanka Army Sports Club reached the final of the tournament,[5] with Sinhalese Sports Club winning the match by 29 runs.[6]
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