| João Luiz | |
| Fullname: | João Luiz Ramires Vieira |
| Birth Date: | 20 December 1985 |
| Birth Place: | Brazil |
| Position: | Defensive midfielder |
| Years1: | 2007 |
| Caps1: | – |
| Goals1: | - |
| Years2: | 2007–2014 |
| Clubs2: | Marítimo |
| Caps2: | 65 |
| Goals2: | 1 |
| Years3: | 2010–2011 |
| Clubs3: | → Beira Mar (loan) |
| Caps3: | 24 |
| Goals3: | 0 |
| Years4: | 2014–2015 |
| Clubs4: | Adanaspor |
| Caps4: | 14 |
| Goals4: | 1 |
| Years5: | 2015 |
| Clubs5: | Al Riffa |
| Caps5: | 6 |
| Goals5: | - |
| Pcupdate: | February 5, 2009 |
João Luiz Ramires Vieira, known as João Luiz (born December 20, 1985, in Brazil), is a footballer playing as a midfielder.
He made his debut for Marítimo on December 23, 2007, in a 2–1 away victory against União Leiria. His first and so far only goal for the club came in a 4–1 defeat of Sporting Braga at home on April 19, 2008.