| William Phillips | |
| Position: | Power forward |
| Height Ft: | 6 |
| Height In: | 10 |
| Weight Lb: | 243 |
| College: | William & Mary (1997–1998) Saint Joseph's (1999–2002) |
| Nationality: | French-American |
| Birth Date: | 18 March 1979 |
| Birth Place: | Nice, France |
| Draft Year: | 2002 |
| Career Start: | 2002 |
| Career End: | 2009 |
| Years1: | 2002 |
| Team1: | Maroussi BC |
| Years2: | 2002–2003 |
| Team2: | Tau Cerámica |
| Years3: | 2003 |
| Team3: | CB Granada |
| Years4: | 2003–2005 |
| Team4: | Paris Basket Racing |
| Years5: | 2005–2006 |
| Team5: | Basket Livorno |
| Years6: | 2006–2007 |
| Team6: | Plus Pujol Lleida |
| Years7: | 2007–2008 |
| Team7: | Giessen 46ers |
| Years8: | 2008–2009 |
| Team8: | CB Breogan |
| Years9: | 2009 |
| Team9: | Pistoia |
William Warren "Bill" Phillips (born March 18, 1979) is a French-American former basketball player. He is the son of William and Dominique Phillips, who both played professional basketball in France. His mother is French, while his father is American. He played as a power forward.