Ruwen Faller (born 22 July 1980, in Rheinfelden) is a German sprinter who specializes in the 400 metres.
His personal best time is 45.74 seconds, achieved in July 1999 in Erfurt.
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
Representing  Germany
| |||||
| 1998 | World Junior Championships | Annecy, France | 12th (sf) | 400m | 46.96 |
| 4th | 4 × 400 m relay | 3:05.84 | |||
| 1999 | European Junior Championships | Riga, Latvia | 1st | 400 m | 46.38 |
| 1st | 4 × 400 m relay | 3:07.42 | |||
| 2000 | European Indoor Championships | Ghent, Belgium | 2nd | 4 × 400 m relay | 3:06.64 |
| 2001 | European U23 Championships | Amsterdam, Netherlands | 12th (h) | 400m | 47.28 |
| 2nd | 4 × 400 m relay | 3:05.39 | |||
| World Championships | Edmonton, Canada | 7th | 4 × 400 m relay | 3:03.52 | |
| 2002 | World Cup | Madrid, Spain | 6th | 4 × 400 m relay | 3:05.31 |
| 2004 | Olympic Games | Athens, Greece | 7th | 4 × 400 m relay | 3:02.22 |
| 2006 | European Championships | Gothenburg, Sweden | 4th | 4 × 400 m relay | 3:02.83 |
