| Giannis Katemis | |
| Fullname: | Ioannis Katemis |
| Birth Date: | 28 May 1977 |
| Birth Place: | Limnes, Argolis, Greece |
| Height: | 1.68 m |
| Position: | Defender |
| Years1: | 1994–1999 |
| Years2: | 1999–2004 |
| Years3: | 2004–2009 |
| Years4: | 2009 |
| Years5: | 2010–2011 |
| Clubs5: | Ilioupoli |
| Caps1: | 66 |
| Caps2: | 156 |
| Caps3: | 120 |
| Caps4: | 9 |
| Goals1: | 7 |
| Goals2: | 16 |
| Goals3: | 7 |
| Goals4: | 0 |
Giannis Katemis (Greek, Modern (1453-);: Γιάννης Κατεμής; born 28 May 1977) is a retired Greek professional football defender.
Born in Limnes, Argolis, Katemis began his football career with Panargiakos F.C. in the Beta Ethniki. He would play in the Alpha Ethniki for Chalkidona F.C. and Atromitos F.C. before moving to the lower levels of Greek football.