| Cássio Barros | |
| Fullname: | Cássio Alves de Barros |
| Birth Date: | 17 January 1970 |
| Birth Place: | Rio de Janeiro, Brazil |
| Position: | Defender |
| Currentclub: | Palmas (coach) |
| Years1: | 1989–1997 |
| Caps1: | 274 |
| Goals1: | 10 |
| Clubs1: | Vasco da Gama |
| Years2: | 1995 |
| Caps2: | 23 |
| Goals2: | 0 |
| Clubs2: | → Fluminense (loan) |
| Years3: | 1997 |
| Caps3: | 9 |
| Goals3: | 1 |
| Clubs3: | Santos |
| Years4: | 1998 |
| Caps4: | 3 |
| Goals4: | 0 |
| Clubs4: | Portuguesa |
| Years5: | 1999–2001 |
| Caps5: | 38 |
| Goals5: | 3 |
| Clubs5: | Stuttgarter Kickers |
| Years6: | 2001 |
| Caps6: | 11 |
| Goals6: | 0 |
| Clubs6: | Goiás |
| Totalcaps: | 358 |
| Totalgoals: | 14 |
| Nationalyears1: | 1991 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Manageryears1: | 2012–2014 |
| Managerclubs1: | Vasco da Gama U17 |
| Manageryears2: | 2016 |
| Managerclubs2: | Tigres do Brasil |
| Manageryears3: | 2016 |
| Managerclubs3: | Duque de Caxias[1] |
| Manageryears4: | 2016–2018 |
| Managerclubs4: | Madureira U20[2] |
| Manageryears5: | 2019– |
| Managerclubs5: | Palmas |
Cássio Alves de Barros (born 17 January 1970) is a Brazilian professional football manager and former player.
Cássio scored 10 goals in 274 appearances for Vasco da Gama between 1989 and 1997 and earned his only cap in a friendly between the Brazil national football team and Wales in 1991.[3] Towards the end of his career, Cássio played 33 games for Stuttgarter Kickers in the 2. Bundesliga.