List of Somerset Twenty20 cricket records

This is a list of Somerset Twenty20 cricket records; that is, record team and individual performances in Twenty20 cricket for Somerset County Cricket Club.

Largest victory margin (by wickets)
, Somerset have won by 10 wickets on four occasions. The highest target they have reached without losing a wicket is 169 against Kent in June 2021.

Most career runs
Qualification - 1,000 runs

Bowling

 * Best Bowling: 6/5 Arul Suppiah v Glamorgan at SWALEC Stadium, 2011
 * Wickets in Season: 33 Alfonso Thomas, 2010

Most Twenty20 wickets for Somerset
Qualification - 25 wickets