William Fitzgerald

• Bill Fitzgerald
• Nathan Boya
• William B. Fitzgerald
• William B. Fitzgerald Jr.
• William Charles Fitzgerald
• William F. Fitzgerald
• William FitzGerald (Irish judge)
• William FitzGerald (bishop)
• William FitzGerald, 13th Earl of Kildare
• William FitzGerald, 2nd Duke of Leinster
• William FitzGerald-de Ros, 22nd Baron de Ros
• William Fitzgerald (Bishop of Clonfert and Kilmacduagh)
• William Fitzgerald (Tennessee politician)
• William Fitzgerald (educationalist)
• William H. G. FitzGerald
• William Henry Fitzgerald
• William J. Fitzgerald
• William James Fitzgerald (Kansas politician)
• William James Fitzgerald (jurist)
• William S. Fitzgerald
• William T. Fitzgerald
• William Thomas Fitzgerald
• William Vesey-Fitzgerald (disambiguation)
• William Vincent Fitzgerald