| Birth Date: | 1967 9, df=yes |
| Birth Place: | West Germany |
| Position: | Defender |
| Youthyears1: | –1984 |
| Youthclubs1: | SSV Wurmannsquick |
| Youthyears2: | 1984–1985 |
| Youthclubs2: | TSV 1860 München |
| Years1: | 1985–1989 |
| Clubs1: | TSV 1860 München |
| Caps1: | 80 |
| Goals1: | 4 |
| Years2: | 1989–1991 |
| Clubs2: | Bayern Munich (A) |
| Caps2: | 50 |
| Goals2: | 2 |
| Years3: | 1990–1991 |
| Clubs3: | Bayern Munich |
| Caps3: | 1 |
| Goals3: | 0 |
| Years4: | 1991–1994 |
| Clubs4: | Fortuna Düsseldorf |
| Caps4: | 79 |
| Goals4: | 4 |
| Years5: | 1994–1997 |
| Clubs5: | Bayern Munich (A) |
| Caps5: | 81 |
| Goals5: | 2 |
| Years6: | 1997–1998 |
| Clubs6: | SC Baldham-Vaterstetten |
| Totalcaps: | 291 |
| Totalgoals: | 12 |
Rainer Aigner (born 4 September 1967) is a German former footballer.[1]