William Motti (born 25 July 1964 in Bondy) is a retired French decathlete.
His personal best of 8164 points were achieved at the Summer Olympics in Barcelona 1992.
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
| Representing France | |||||
| 1981 | European Junior Championships | Utrecht, Netherlands | 2nd | High jump | |
| 1984 | Olympic Games | Los Angeles, United States | 5th | Decathlon | |
| 1987 | World Championships | Rome, Italy | 10th | Decathlon | |
| 1989 | Hypo-Meeting | Götzis, Austria | 7th | Decathlon | |
| 1992 | Hypo-Meeting | Götzis, Austria | 12th | Decathlon | |
| Olympic Games | Barcelona, Spain | 7th | Decathlon | ||
| 1993 | World Indoor Championships | Toronto, Canada | 6th | Heptathlon | |
| Hypo-Meeting | Götzis, Austria | 13th | Decathlon | ||