| Milton do Ó | |
| Fullname: | Milton Rogério Harassen do Ó |
| Birth Date: | 24 February 1979 |
| Birth Place: | Ponta Grossa, Brazil |
| Position: | Defender |
| Years1: | 2000 |
| Clubs1: | Paraná |
| Years2: | 2000 |
| Clubs2: | Atlético Paranaense |
| Years3: | 2002–2003 |
| Clubs3: | Goiás |
| Caps3: | 24 |
| Goals3: | 1 |
| Years4: | 2003–2004 |
| Clubs4: | Samsunspor |
| Caps4: | 20 |
| Goals4: | 1 |
| Years5: | 2004 |
| Clubs5: | Madureira |
| Years6: | 2004 |
| Clubs6: | Vitória |
| Caps6: | 10 |
| Goals6: | 0 |
| Years7: | 2005 |
| Clubs7: | Inter de Limeira |
| Years8: | 2005 |
| Caps8: | 13 |
| Goals8: | 2 |
| Years9: | 2006–2007 |
| Clubs9: | Marítimo |
| Caps9: | 18 |
| Goals9: | 0 |
| Years10: | 2007–2010 |
| Clubs10: | Trofense |
| Caps10: | 58 |
| Goals10: | 1 |
| Nationalyears1: | 1999 |
| Nationalteam1: | Brazil U20 |
| Manageryears1: | 2018 |
| Managerclubs1: | Cascavel[1] |
Milton Rogério Harassen do Ó (born 24 February 1979) is a Brazilian retired footballer who played professionally as a defender in Brazil, Portugal and Turkey, and is the current manager.
A native of Ponta Grossa, the second-largest city in southern Brazil's state of Paraná, Milton do Ó had a minor stint in the early 2000s in Turkey's Süper Lig. He returned home to play with a number of Brazilian clubs,[2] and while a member of Rio de Janeiro's Fluminense, signed with the Portuguese club CS Marítimo (2005–07).
Milton do Ó played for Brazil at the 1999 FIFA World Youth Championship in Nigeria.