| Klaus Theiss | |
| Fullname: | Klaus Theiss |
| Birth Date: | 9 July 1963 |
| Birth Place: | Nagold, West Germany |
| Position: | Sweeper |
| Youthyears1: | 1978–1981 |
| Youthclubs1: | TuS Ergenzingen |
| Years1: | 1981–1985 |
| Caps1: | 125 |
| Goals1: | 8 |
| Clubs1: | Karlsruher SC |
| Years2: | 1985–1987 |
| Caps2: | 42 |
| Goals2: | 9 |
| Clubs2: | Eintracht Frankfurt |
| Years3: | 1987–1988 |
| Caps3: | 0 |
| Goals3: | 0 |
| Clubs3: | Hamburger SV |
| Years4: | 1988–1989 |
| Caps4: | 36 |
| Goals4: | 1 |
| Clubs4: | Viktoria Aschaffenburg |
| Years5: | 1989–1991 |
| Caps5: | 34 |
| Goals5: | 3 |
| Clubs5: | FC Homburg |
| Years6: | 1993 |
| Caps6: | 3 |
| Goals6: | 0 |
| Clubs6: | Tennis Borussia Berlin |
| Totalcaps: | 240 |
| Totalgoals: | 21 |
| Nationalyears1: | 1981 |
| Nationalteam1: | Germany U18 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 1985–1986 |
| Nationalteam2: | Germany U21 |
| Nationalcaps2: | 2 |
| Nationalgoals2: | 0 |
Klaus Theiss (born 9 July 1963 in Nagold) is a German former professional footballer. He made a total of 146 appearances in the Bundesliga and 94 in the 2. Bundesliga during his playing career.