William Howard

• Chiswick Press
• Dublin City (Parliament of Ireland constituency)
• Lord William Howard
• M. William Howard Jr.
• William Alanson Howard
• William Alvin Howard
• William George Howard, 8th Earl of Carlisle
• William Howard (1781–1843)
• William Howard (American football)
• William Howard (Irish politician)
• William Howard (artist)
• William Howard (basketball)
• William Howard (congressman)
• William Howard (died 1600)
• William Howard (died 1672)
• William Howard (died 1701)
• William Howard (engineer)
• William Howard (judge)
• William Howard (typefounder)
• William Howard School
• William Howard, 1st Baron Howard of Effingham
• William Howard, 1st Viscount Stafford
• William Howard, 3rd Baron Howard of Effingham
• William Howard, 3rd Baron Howard of Escrick
• William Howard, 3rd Earl of Wicklow
• William Howard, 4th Earl of Wicklow
• William Howard, 8th Earl of Wicklow
• William Howard, Viscount Andover
• William J. Howard
• William K. Howard
• William Lee Howard
• William Lorenzo Howard
• William Marcellus Howard
• William S. Howard