P: 53 W: 28 D: 6 L: 19
Last meeting: 30 Nov 2024 — Carmarthen Town v Llanelli (1-1)
| Season | Date | Match | Result | Score | Competition |
|---|---|---|---|---|---|
| 1980-81 | 17 Sep 1980 | Carmarthen Town v Llanelli | W | 2-1 | SA BRAINS CUP 2R |
| 1981-82 | 29 Aug 1981 | Llanelli v Carmarthen Town | W | 2-1 | BRAIN 1R |
| 1985-86 | 20 Aug 1985 | Llanelli v Carmarthen Town | W | 2-0 | SA BRAINS CUP 1R |
| 1988-89 | 10 Sep 1988 | Carmarthen Town v Llanelli | L | 0-1 | WELSH CUP 1R |
| 1999-00 | 29 Oct 1999 | Llanelli v Carmarthen Town | W | 7-2 | LEAGUE |
| 1999-00 | 04 Apr 2000 | Carmarthen Town v Llanelli | L | 1-2 | LEAGUE |
| 1999-00 | 04 May 2000 | Carmarthen Town v Llanelli | W | 2-0 | WWSC F |
| 2000-01 | 22 Sep 2000 | Carmarthen Town v Llanelli | L | 1-5 | LEAGUE |
| 2000-01 | 02 Feb 2001 | Llanelli v Carmarthen Town | W | 1-0 | LEAGUE |
| 2001-02 | 11 Sep 2001 | Carmarthen Town v Llanelli | L | 1-2 | LEAGUE |
| 2001-02 | 26 Sep 2001 | Llanelli v Carmarthen Town | L | 0-1 | LEAGUE |
| 2001-02 | 26 Dec 2001 | Carmarthen Town v Llanelli | D | 0-0 | LEAGUE |
| 2001-02 | 01 Apr 2002 | Llanelli v Carmarthen Town | W | 1-0 | LEAGUE |
| 2002-03 | 06 Dec 2002 | Carmarthen Town v Llanelli | L | 1-2 | LEAGUE |
| 2002-03 | 26 Apr 2003 | Llanelli v Carmarthen Town | L | 1-2 | LEAGUE |
| 2004-05 | 18 Aug 2004 | Carmarthen Town v Llanelli | D | 1-1 | LCUP PR1L |
| 2004-05 | 25 Aug 2004 | Llanelli v Carmarthen Town | L | 3-10 | LCUP PR2L |
| 2004-05 | 19 Nov 2004 | Llanelli v Carmarthen Town | L | 0-3 | LEAGUE |
| 2004-05 | 28 Mar 2005 | Carmarthen Town v Llanelli | L | 1-5 | LEAGUE |
| 2005-06 | 07 Sep 2005 | Llanelli v Carmarthen Town | L | 0-2 | LEAGUE |
| 2005-06 | 20 Jan 2006 | Carmarthen Town v Llanelli | W | 1-0 | LEAGUE |
| 2006-07 | 12 Sep 2006 | Llanelli v Carmarthen Town | W | 4-3 | LEAGUE CUP |
| 2006-07 | 17 Oct 2006 | Carmarthen Town v Llanelli | W | 4-0 | LEAGUE CUP |
| 2006-07 | 23 Jan 2007 | Llanelli v Carmarthen Town | D | 1-1 | LEAGUE |
| 2006-07 | 01 Apr 2007 | Llanelli v Carmarthen Town | L | 0-1 | WELSH CUP SF |
| 2006-07 | 06 Apr 2007 | Carmarthen Town v Llanelli | W | 2-0 | LEAGUE |
| 2007-08 | 26 Dec 2007 | Carmarthen Town v Llanelli | W | 2-1 | LEAGUE |
| 2007-08 | 01 Jan 2008 | Llanelli v Carmarthen Town | W | 4-1 | LEAGUE |
| 2007-08 | 26 Feb 2008 | Llanelli v Carmarthen Town | W | 1-0 | P CUP SF |
| 2008-09 | 26 Dec 2008 | Llanelli v Carmarthen Town | W | 5-2 | LEAGUE |
| 2008-09 | 07 Apr 2009 | Carmarthen Town v Llanelli | W | 4-1 | LEAGUE |
| 2009-10 | 26 Dec 2009 | Carmarthen Town v Llanelli | W | 2-1 | LEAGUE |
| 2009-10 | 05 Apr 2010 | Llanelli v Carmarthen Town | W | 1-0 | LEAGUE |
| 2009-10 | 30 Oct 2010 | Llanelli v Carmarthen Town | W | 3-1 | WELSH CUP 3R |
| 2010-11 | 01 Jan 2011 | Carmarthen Town v Llanelli | W | 3-1 | LEAGUE |
| 2010-11 | 12 Feb 2011 | Llanelli v Carmarthen Town | W | 4-1 | LEAGUE |
| 2011-12 | 07 Sep 2011 | Carmarthen Town v Llanelli | W | 3-0 | LEAGUE |
| 2011-12 | 08 Nov 2011 | Llanelli v Carmarthen Town | W | 2-0 | LEAGUE |
| 2012-13 | 08 Nov 2012 | Carmarthen Town v Llanelli | L | 1-2 | LC SF |
| 2012-13 | 26 Dec 2012 | Carmarthen Town v Llanelli | L | 0-1 | LEAGUE |
| 2012-13 | 29 Dec 2012 | Llanelli v Carmarthen Town | W | 4-2 | LEAGUE |
| 2018-19 | 26 Dec 2018 | Llanelli v Carmarthen Town | D | 1-1 | LEAGUE |
| 2018-19 | 01 Jan 2019 | Carmarthen Town v Llanelli | L | 0-2 | LEAGUE |
| 2018-19 | 15 Feb 2019 | Llanelli v Carmarthen Town | L | 0-3 | LEAGUE |
| 2018-19 | 13 Apr 2019 | Carmarthen Town v Llanelli | L | 1-3 | LEAGUE |
| 2021-22 | 20 Aug 2021 | Llanelli v Carmarthen Town | W | 2-0 | LEAGUE |
| 2021-22 | 12 Mar 2022 | Carmarthen Town v Llanelli | L | 1-3 | LEAGUE |
| 2022-23 | 04 Nov 2022 | Llanelli v Carmarthen Town | L | 0-3 | LEAGUE |
| 2022-23 | 11 Feb 2023 | Carmarthen Town v Llanelli | W | 3-1 | LEAGUE |
| 2023-24 | 18 Aug 2023 | Llanelli v Carmarthen Town | W | 4-3 | LEAGUE |
| 2023-24 | 16 Mar 2024 | Carmarthen Town v Llanelli | W | 1-0 | LEAGUE |
| 2024-25 | 16 Aug 2024 | Llanelli v Carmarthen Town | D | 1-1 | LEAGUE |
| 2024-25 | 30 Nov 2024 | Carmarthen Town v Llanelli | D | 1-1 | LEAGUE |