2003 Twenty20 Cup Bowling averages (Top 10) Bowling averages (Top 10)

| Player | Team | Matches | Overs | Wickets | Average | Economy | BBI | _4wi | _5wi |
|---|---|---|---|---|---|---|---|---|---|
| Virender Sehwag Category:Articles with hCards | Leicestershire | 6 | 14.0 | 7 | 10.00 | 5.00 | 3/14 | 0 | 0 |
| Jimmy Ormond Category:Articles with hCards | Surrey | 5 | 20.0 | 11 | 10.09 | 5.55 | 5/26 | 1 | 1 |
| Azhar Mahmood Category:Articles with hCards | Surrey | 5 | 18.5 | 12 | 10.25 | 6.53 | 4/20 | 1 | 0 |
| Dominic Hewson Category:Articles with hCards | Derbyshire | 5 | 19.0 | 10 | 10.90 | 5.73 | 4/18 | 1 | 0 |
| Jason Brown Category:Articles with hCards | Northamptonshire | 5 | 17.5 | 11 | 11.09 | 6.84 | 5/27 | 0 | 1 |
| Glen Chapple Category:Articles with hCards | Lancashire | 5 | 19.0 | 9 | 11.22 | 5.31 | 2/13 | 0 | 0 |
| Ashley Noffke Category:Articles with hCards | Middlesex | 3 | 12.0 | 8 | 12.12 | 8.08 | 3/22 | 0 | 0 |