| Honorific Prefix: | Lieutenant general |
| Willem Frederik Pop | |
| Office: | Chairman of the United Defence Staff of the Armed Forces of the Netherlands |
| Term Start: | 9 November 1918 |
| Term End: | 20 November 1919 |
| Predecessor: | General Cornelis Snijders |
| Successor: | Vacant (1919-1939) General Izaak Reijnders |
| Birth Date: | 14 June 1858 |
| Birth Place: | The Hague, Netherlands |
| Death Place: | Voorburg, Netherlands |
| Allegiance: |  Netherlands |
| Serviceyears: | 1874-1921 |
| Rank: | Lieutenant general |
General Willem Frederik Pop (14 June 1858 – 24 July 1931) was a Dutch military officer who served as Commander-in-chief of the Armed forces between 1918 and 1919.[1]