William Harrington
William Harrington may refer to:
- William J. Harrington, politician in Manitoba, Canada
- William F. Harrington, American biochemist
- William D. Harrington, Nova Scotia politician
- William Harrington , Irish cricketer
- William Harrington , English cricketer
- William Harrington , English knight
- William Harrington , English Jesuit priest and Martyr
- William Harrington , Member of Parliament for Lancashire
- William Harrington , Irish artist
- Bill Harrington , American sportscaster, children's television host, and news reporter
- Bill Harrington , American baseball pitcher
- Bill Harrington , Australian rules footballer for Footscray
- Bill Harrington, Irish international footballer