Karsten Nielsen
| Medal record | ||
|---|---|---|
| Men's Rowing | ||
Competitor for  Denmark
| ||
| Rowing World Championships | ||
| Bronze | 1994 Indianapolis | LM1x |
| Gold | 1996 Strathclyde | LM1x |
| Gold | 1997 Aiguebelette | LM1x |
| Bronze | 1998 Cologne | LM1x |
| Gold | 1999 St. Catharines | LM1x |
Karsten Nielsen (born 23 May 1973 in Skælskør) is a Danish rower.