British Swimming Championships - 50 metres butterfly winners
# British Swimming Championships - 50 metres butterfly winners

The British Swimming Championships - 50 metres butterfly winners formerly the (Amateur Swimming Association (ASA) National Championships) are listed below.

The event first appeared at the 1991 Championships.

## 50 metres butterfly champions

| Year | Men's champion | Women's champion |
| - | - | - |
| 1991 | Mike Fibbens | Nicola Kennedy |
| 1992 | Mark Foster | Sharron Davies |
| 1993 | Mark Foster | Maxine Lock |
| 1994 | Mike Fibbens | Sue Rolph |
| 1995 | Mark Foster | Sarah Massey |
| 1996 | David Jones | Sarah Massey |
| 1997 | David Jones | Caroline Foot |
| 1998 | Mark Foster | Yvetta Hlaváčová |
| 1999 | Mark Foster | Nicola Jackson |
| 2000 | Mark Foster | Caroline Foot |
| 2001 | Mark Foster | Rosalind Brett |
| 2002 | Mark Foster | Rosalind Brett |
| 2003 | Mark Foster | Rosalind Brett |
| 2004 | N/A | N/A |
| 2005 | Mark Foster | Rosalind Brett |
| 2006 | Todd Cooper | Rosalind Brett |
| 2007 | Andrew Mayor & Owen Morgan | Ellen Gandy |
| Not held in 2008 and 2009 |||
| 2010 | Ian Hulme | Amy Smith |
| 2011 | Jack Marriott | Jessica Sylvester |
| Not held in 2012 |||
| 2013 | Ben Proud | Francesca Halsall |
| 2014 | Ben Proud | Francesca Halsall |
| 2015 | Ben Proud | Rachael Kelly |
| 2016 | N/A | N/A |
| 2017 | Ben Proud | Charlotte Atkinson |
| 2018 | James Guy | Harriet Jones |
| 2019 | Ben Proud | Charlotte Atkinson |
| Not held during 2020 and 2021 due to the COVID-19 pandemic |||
| 2022 | Ben Proud | Harriet Jones |
| 2023 | Jacob Peters | Sophie Yendell |
