2013 Twenty20 Cup
| Dates | 26 June 2013 – 17 August 2013 |
|---|---|
| Administrator(s) | England and Wales Cricket Board |
| Cricket format | Twenty20 |
| Tournament format(s) | Group stage and knockout |
| Champions | Northamptonshire Steelbacks (1st title) |
| Participants | 18 |
| Matches | 97 |
| Most runs | Craig Kieswetter, Somerset (517) |
| Most wickets | Azharullah, Northamptonshire (27) |
| Official website | friendslife.co.uk/t20 |
The 2013 FriendsLife T20 was the eleventh edition of what would later become the T20 Blast, a domestic Twenty20 English cricket competition. The competition ran from 26 June to 17 August 2013. The teams and format of the tournament remained the same as the previous season. Northamptonshire Steelbacks were champions, defeating Surrey in the final to win their first limited overs trophy since 1992.