Sportsmen
- William Morris (sport shooter) (born 1939), British Olympic sport shooter
- Col. William George Morris (1847–1935), goalkeeper in 1878 FA Cup Final with the Royal Engineers
- William Morris (cricketer) (1873–1945), English cricketer
- Bill Morris (Australian rules footballer) (1922–1960), Australian rules footballer
- Bill Morris (rugby union) (1869–1946), Wales international rugby player
- Billy Morris (soccer), United States international football (soccer) player
- Billy Morris (footballer) (1918–2002), Welsh international football player
- Bill Morris (footballer) (1913–1995), England international football player
- Speedy Morris (William Morris, born 1942), college basketball coach
- Hal Morris (William Harold Morris III, born 1965), former first baseman in Major League Baseball
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