William Ireland

• William Ireland , English Jesuit executed during the reign of King Charles II
• William Henry Ireland, forger of would-be Shakespearean documents and plays
• William Wotherspoon Ireland, Scottish physician and author
• William M. Ireland, co-founder of the National Grange of the Order of Patrons of Husbandry
• William Henry Ireland , Ontario merchant and political figure
• William Ireland, Irish tennis player
• Bill Ireland, founder of the UNLV football program and later athletic director of UNLV