| Orthodoxos Ioannou | |
| Fullname: | Orthodoxos Ioannou |
| Birth Date: | 4 March 1986 |
| Birth Place: | Larnaca, Cyprus |
| Position: | Defender |
| Youthyears1: | –2002 |
| Youthclubs1: | Nea Salamina |
| Years1: | 2003–2009 |
| Caps1: | 50 |
| Goals1: | 1 |
| Years2: | 2003–2005 |
| Clubs2: | →Othellos Athienou (loan) |
| Caps2: | ? |
| Goals2: | ? |
| Years3: | 2005–2006 |
| Clubs3: | →Anagennisi Dherynia (loan) |
| Caps3: | ? |
| Goals3: | ? |
| Years4: | 2009–2011 |
| Caps4: | 31 |
| Goals4: | 1 |
| Years5: | 2011–2013 |
| Caps5: | 50 |
| Goals5: | 1 |
| Years6: | 2013–2014 |
| Caps6: | 10 |
| Goals6: | 0 |
| Years7: | 2014–2015 |
| Caps7: | 6 |
| Goals7: | 0 |
| Nationalyears1: | 2007–2009 |
| Nationalteam1: | Cyprus U21 |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 0 |
| Pcupdate: | 7 February 2015 |
| Ntupdate: | 2009 |
Orthodoxos Ioannou (Ορθόδοξος Ιωάννου; born 4 March 1986 in Larnaca, Cyprus) is a Cypriot football defender who last played for Omonia Aradippou.