William Bowen

• William Bowen (actor), British stage actor
• William Bowen (rugby union), rugby union footballer of the 1880s, and 1890s for Wales, and Swansea
• William J. Bowen, American labor union leader
• William Bowen (author), children's author and Newbery Honor recipient
• William Bowen (British Army officer), British Army general
• William G. Bowen, former president of Princeton University
• Billy Bowen, rugby union and rugby league footballer of the 1920s for Wales, Swansea, and Leeds
• Bill Bowen, African-american politician in Ohio
• William Miller Bowen, civic leader in Los Angeles, California