Fabiano Joseph Naasi (born December 24, 1985, in Babati, Manyara) is a Tanzanian long-distance runner.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2003 | World Half Marathon Championships | Vilamoura, Portugal | 2nd | Half Marathon | 1:00:52 | |
| 2004 | World Cross Country Championships | Brussels, Belgium | 7th | Long Race (12 km) | 36:49 | |
| World Junior Championships | Grosseto, Italy | 6th | 5000m | 13:33.62 | ||
| bgcolor=silver | 2nd | 10,000m | 28:04.45 | |||
| World Half Marathon Championships | New Delhi, India | 2nd | Half Marathon | 1:02:31 | ||
| 2005 | World Half Marathon Championships | Edmonton, Canada | 1st | Half Marathon | 1:01:08 | |
| 2006 | Commonwealth Games | Melbourne, Australia | 5th | 5,000 m | 13:12.76 | |
| 3rd | 10,000 m | 27:51.99 | ||||
| 2015 | World Championships | Beijing, China | 42nd | Marathon | 2:35:27 | |