Ieuan Williams (17 March 1909 — 3 March 1964) was a Welsh cricketer. He was a right-handed batsman and wicket-keeper who played first-class cricket for Glamorgan. He was born in Brynamman and died in Eastbourne.

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Williams, who had previously played with Brynamman Cricket Club, as well as Liverpool University, struggled with his entry into first-class cricket, as in the two matches he played, he scored just ten runs. Having exited his first-class career, he completed studies in dentistry.

• Ieuan Williams at Cricket Archive (subscription required)