Millwall have played Merthyr Town 16 times in competitive football, winning 8, drawing 4 and losing 4, first meeting on 25 Dec 1920 and most recently on 7 Apr 1928. Every meeting is listed below.
| Date | Season | Competition | Venue | Opponent | Score | Scorers | Att |
|---|---|---|---|---|---|---|---|
| 25 Dec 1920 | 1920–21 | Third Division | H | Merthyr Town | 0–0 | ||
| 27 Dec 1920 | 1920–21 | Third Division | A | Merthyr Town | 1–0 | ||
| 10 Sep 1921 | 1921–22 | Third Division South | H | Merthyr Town | 4–0 | ||
| 17 Sep 1921 | 1921–22 | Third Division South | A | Merthyr Town | 1–3 | ||
| 3 Mar 1923 | 1922–23 | Third Division South | H | Merthyr Town | 1–0 | ||
| 10 Mar 1923 | 1922–23 | Third Division South | A | Merthyr Town | 1–1 | ||
| 26 Apr 1924 | 1923–24 | Third Division South | H | Merthyr Town | 6–0 | ||
| 3 May 1924 | 1923–24 | Third Division South | A | Merthyr Town | 0–1 | ||
| 1 Nov 1924 | 1924–25 | Third Division South | H | Merthyr Town | 3–1 | ||
| 7 Mar 1925 | 1924–25 | Third Division South | A | Merthyr Town | 1–2 | ||
| 24 Oct 1925 | 1925–26 | Third Division South | H | Merthyr Town | 1–1 | ||
| 6 Mar 1926 | 1925–26 | Third Division South | A | Merthyr Town | 2–0 | ||
| 13 Sep 1926 | 1926–27 | Third Division South | A | Merthyr Town | 0–1 | ||
| 20 Sep 1926 | 1926–27 | Third Division South | H | Merthyr Town | 3–1 | ||
| 3 Oct 1927 | 1927–28 | Third Division South | A | Merthyr Town | 0–0 | ||
| 7 Apr 1928 | 1927–28 | Third Division South | H | Merthyr Town | 3–0 |
All Millwall head-to-head records · Millwall season by season