List of Sri Lanka Twenty20 International cricket records
This is a list of Sri Lanka T20 International cricket records, that is record team and individual performances in Twenty20 International cricket. Records for One Day International cricket are at List of One-Day International cricket records. This list is based on the List of T20 International cricket records.
Key
The top five to seven records are listed for each category, except in "team wins, losses, and draws" and "highest wicket partnerships". Tied records for the fifth place are listed as well. Explanations of the general symbols and cricketing terms used in the list are given below. Specific details are provided in each category where appropriate.| Symbol | Meaning |
| † | Player is currently active in T20I cricket |
| * | Player remained not out or partnership remained unbroken |
| ♠ | World record |
| d | Innings was declared |
| Date | Starting date of the T20I match |
| Innings | Number of innings played |
| Matches | Number of matches played |
| Opponent | The team Sri Lanka was playing against |
| Period | The time period when the player was active in T20I cricket |
| Player | The player involved in the record |
| Venue | Test cricket ground where the match was played |