William Porterfield
- Born
- 6 September 1984 (41 years)
- Gender
- Male
William Thomas Stuart Porterfield (born 6 September 1984) is an Irish former cricketer from Northern Ireland and a former captain of the Ireland cricket team. A left-handed batsman, he played for Ireland from 2006 to 2022, and has captained Ireland at all levels from Under-13 and is considered one of the greatest Irish cricketers of all time.