Fastest Fifties in T20 cricket

For Glamorgan

15 balls – KS Carlson v Middlesex at Sophia Gardens, 2023

18 balls – BB McCullum v Worcestershire at Sophia Gardens, 2006
18 balls – JEC Franklin v Warwickshire at Edgbaston, 2006
21 balls – CA Ingram v Essex at Sophia Gardens, 2018
22 balls – DA Douthwaite v Kent at Canterbury, 2022
23 balls – CA Ingram v Essex at Chelmsford, 2017
23 balls – DL Lloyd v Middlesex at Sophia Gardens, 2022
23 balls – SA Northeast v Middlesex at Sophia Gardens, 2022
24 balls – TL Maynard v Essex at Chelmsford, 2010
24 balls – AHT Donald v Hampshire at Sophia Gardens, 2016
24 balls – CB Cooke v Essex at Chelmsford, 2018

Against Glamorgan

18 balls – DJM Short for Hampshire at Ageas Bowl, 2021
18 balls – SM Curran for Surrey at The Oval, 2023
19 balls – CM Spearman for Gloucestershire at Bristol, 2003
19 balls – J Cox for Somerset at Sophia Gardens, 2003
19 balls – JMR Taylor for Gloucestershire at Sophia Gardens, 2018
20 balls – PI Walter for Essex at Chelmsford, 2022
21 balls – BF Smith for Worcestershire at Worcester, 2005
21 balls – CJ Anderson for Somerset at Taunton, 2018
22 balls – RR Roussow for Hampshire at Sophia Gardens, 2018
22 balls – PI Walter for Essex at Sophia Gardens, 2023
23 balls – EJ Pollock for Warwickshire at Edgbaston, 2017
23 balls – AT Carey for Sussex at Sophia Gardens, 2019
23 balls – WCF Smeed for Somerset at Sophia Gardens, 2023
23 balls – BR McDermott for Hampshire at Ageas Bowl, 2023