P: 28 W: 14 D: 4 L: 10
Previously: Neath AFC; Neath Athletic
Last meeting: 21 Apr 2012 — Neath Athletic v Llanelli (5-1)
| Season | Date | Match | Result | Score | Competition |
|---|---|---|---|---|---|
| 1967-68 | 24 Aug 1967 | Llanelli v Neath | W | 4-0 | LEAGUE |
| 1967-68 | 02 May 1968 | Neath v Llanelli | L | 0-2 | LEAGUE |
| 2003-04 | 22 Nov 2003 | Neath Athletic v Llanelli | W | 2-0 | LEAGUE |
| 2003-04 | 13 Feb 2004 | Llanelli v Neath Athletic | W | 2-1 | LEAGUE |
| 2005-06 | 10 Sep 2005 | Neath Athletic v Llanelli | W | 1-0 | WELSH CUP 1R |
| 2007-08 | 19 Sep 2007 | Neath Athletic v Llanelli | W | 2-0 | LEAGUE |
| 2007-08 | 25 Sep 2007 | Neath Athletic v Llanelli | W | 3-1 | LC GROUP |
| 2007-08 | 30 Oct 2007 | Llanelli v Neath Athletic | L | 1-3 | LC GROUP |
| 2007-08 | 23 Jan 2008 | Llanelli v Neath Athletic | D | 3-3 | LEAGUE |
| 2007-08 | 22 Apr 2008 | Llanelli v Neath Athletic | L | 1-2 | WWS F |
| 2008-09 | 19 Aug 2008 | Llanelli v Neath Athletic | L | 3-5 | LC GROUP |
| 2008-09 | 24 Sep 2008 | Neath Athletic v Llanelli | W | 3-0 | LC GROUP |
| 2008-09 | 03 Oct 2008 | Llanelli v Neath Athletic | W | 4-0 | WELSH CUP 2R |
| 2008-09 | 28 Nov 2008 | Neath Athletic v Llanelli | W | 3-0 | LEAGUE |
| 2008-09 | 21 Apr 2009 | Llanelli v Neath Athletic | W | 2-1 | LEAGUE |
| 2009-10 | 09 Oct 2009 | Neath Athletic v Llanelli | L | 1-2 | LEAGUE |
| 2009-10 | 20 Apr 2010 | Llanelli v Neath Athletic | W | 2-1 | LEAGUE |
| 2009-10 | 03 Oct 2010 | Neath Athletic v Llanelli | D | 2-2 | WELSH CUP 2R |
| 2010-11 | 01 Oct 2010 | Llanelli v Neath Athletic | L | 1-4 | LEAGUE |
| 2010-11 | 18 Jan 2011 | Neath Athletic v Llanelli | D | 1-1 | LEAGUE |
| 2010-11 | 20 Feb 2011 | Neath Athletic v Llanelli | W | 4-0 | LEAGUE |
| 2010-11 | 01 Apr 2011 | Llanelli v Neath Athletic | W | 4-0 | LEAGUE |
| 2011-12 | 27 Dec 2011 | Llanelli v Neath Athletic | L | 0-1 | LEAGUE |
| 2011-12 | 02 Jan 2012 | Neath Athletic v Llanelli | L | 0-2 | LEAGUE |
| 2011-12 | 15 Feb 2012 | Llanelli v Neath Athletic | D | 0-0 | LC2R1L |
| 2011-12 | 28 Feb 2012 | Neath Athletic v Llanelli | L | 2-4 | LC2R2L |
| 2011-12 | 09 Mar 2012 | Llanelli v Neath Athletic | L | 1-2 | LEAGUE |
| 2011-12 | 21 Apr 2012 | Neath Athletic v Llanelli | W | 5-1 | LEAGUE |