The 2009 Twenty20 Cup final was the concluding match of the 2009 Twenty20 Cup, an English domestic Twenty20 cricket competition administered by the England and Wales Cricket Board (ECB). The final was held on 15 August 2009 at Lord's Cricket Ground in London. The contest featured the Somerset Sabres and the Sussex Sharks.
Sussex won the match by six wickets, successfully chasing the target set by Somerset. The victory secured Sussex's first Twenty20 Cup championship. The match concluded the 2009 tournament, which had begun with a group stage followed by knockout rounds.
