| Klaus Raffeiner | |
| Country: | Italy |
| Birth Date: | 28 November 1977 |
| Birth Place: | Melito di Porto Salvo, Italy |
| Handedness: | Right |
| Event: | Men's singles & doubles |
| Bwf Id: | D52C115D-95C3-4010-AEE3-3B72ACB3DCF4 |
Klaus Raffeiner (born 28 November 1977) is an Italian badminton player. He is from Melito di Porto Salvo in the Metropolitan City of Reggio Calabria.
Raffeiner played the 2007 BWF World Championships in the men's singles, and was defeated in the first round by Simon Maunoury, of France, 23–21, 21–16. In his home country he won the Italian National Championships eleven times in a row.