William Nicholson
William Nicholson is the name of:
- William Nicholson (chemist) ( 1753-1815 ), British electric chemist and author
- William Nicholson, 1st Baron Nicholson ( 1845-1918 ), British field marshal
- William Nicholson ( painter) ( 1872-1949 ), British painter and printmaker
- William Nicholson ( writer ) ( born 1948 ), British writer
- Disambiguation