Jan Dirk Bleijkmans (Bleykmans) (16 May 1875– 27 December 1944) was a Dutch chess master. Bleijkmans was born in Amsterdam as the son of Karel Bleijkmans and Johanna Sophia van Wulften. He twice won unofficial Dutch championship (The Netherland Chess Federation Tourney) at Leiden 1896 and Leeuwarden 1904. He also tied for 2nd-5th, behind Adolf Georg Olland, at Arnhem 1895, took 2nd, behind Arnold van Foreest, at Groningen 1896, shared 2nd, behind Rudolf Loman, at Utrecht 1897. He lost a match to Norman van Lennep (0–3) at Amsterdam 1897, shared 3rd at Amsterdam 1897, tied for 7-8th at The Hague 1898, and took 7th at Haarlem 1901.