| Júlio César | |
| Fullname: | Júlio César Oliveira Martins |
| Birth Date: | 13 December 1983 |
| Birth Place: | Jaboatão dos Guararapes, Brazil |
| Position: | Defensive midfielder |
| Currentclub: | ADC Correlhã |
| Years1: | 2005 |
| Clubs1: | Serrano |
| Years2: | 2005–2009 |
| Clubs2: | Valdevez |
| Caps2: | 14 |
| Goals2: | 0 |
| Years3: | 2006 |
| Clubs3: | → Chaves (loan) |
| Caps3: | 1 |
| Goals3: | 0 |
| Years4: | 2007 |
| Clubs4: | → Lusitânia (loan) |
| Caps4: | 11 |
| Goals4: | 0 |
| Years5: | 2009–2011 |
| Caps5: | 3 |
| Goals5: | 0 |
| Years6: | 2009–2011 |
| Clubs6: | → Aves (loan) |
| Caps6: | 44 |
| Goals6: | 1 |
| Years7: | 2012–2013 |
| Clubs7: | Moreirense |
| Caps7: | 12 |
| Goals7: | 0 |
| Years8: | 2013 |
| Clubs8: | Feirense |
| Caps8: | 1 |
| Goals8: | 0 |
| Years9: | 2013–2014 |
| Clubs9: | Al-Shabab |
| Years10: | 2014–2015 |
| Clubs10: | 1º Dezembro |
| Caps10: | 10 |
| Goals10: | 0 |
| Years11: | 2015–2016 |
| Clubs11: | Oriental |
| Caps11: | 14 |
| Goals11: | 1 |
| Years12: | 2016–2017 |
| Caps12: | 19 |
| Goals12: | 0 |
| Years13: | 2017–2018 |
| Clubs13: | Limianos |
| Years14: | 2018–2019 |
| Clubs14: | ADC Correlhã |
| Caps14: | 14 |
| Goals14: | 0 |
| Years15: | 2019–2022 |
| Clubs15: | Atlético dos Arcos |
| Caps15: | 28 |
| Goals15: | 1 |
| Years16: | 2022– |
| Clubs16: | ADC Correlhã |
| Club-Update: | 1 August 2021 |
Júlio César de Oliveira Martins (born 13 December 1983), known as Júlio César, is a Brazilian footballer who plays for Portuguese club ADC Correlhã.
Júlio César began his career in his native Pernambuco, helping Serrano Futebol Clube (PE) to the Campeonato Pernambucano in 2005. In August 2005 he left his country and moved to Clube Atlético de Valdevez in Portugal,[1] playing three seasons in the third division; in 2006–07 he started on loan to level two club Desportivo de Chaves, but finished the season in the same predicament in the division below, with S.C. Lusitânia.
In January 2009 César signed a -year contract with first division club Académica de Coimbra,[2] making his competition debut on 8 February in a 0–1 loss at Rio Ave FC (45 minutes played).
In July 2009 he again left for the second level of Portuguese football, joining Desportivo das Aves on loan,[3] and remaining there for two seasons. He played as a regular for the northern club, using Júlio Martins as his shirt name.