| William George Neilson | |
| Office: | Member of the Legislative Assembly of British Columbia |
| Successor: | Wilmer Cleveland Wells |
| Term Start: | 1898 |
| Term End: | 1899 |
| Constituency: | East Kootenay North |
| Birth Date: | 16 February 1862 |
| Birth Place: | Lanark County, Canada West |
| Death Place: | Ramsay, Ontario |
| Spouse: | Jennie Anderson |
| Party: | Independent |
| Occupation: | lumberman |
William George Neilson (February 16, 1862 - January 6, 1899) was a Canadian politician. He served in the Legislative Assembly of British Columbia from 1898 to 1899 from the electoral district of East Kootenay North.[1] He died in office in 1899.[2]