| Manaca | |
| Fullname: | Carlos Alberto Manaca Dias |
| Birth Date: | 22 September 1946 |
| Birth Place: | Beira, Mozambique |
| Position: | Defender |
| Years1: | 1965 |
| Clubs1: | Sporting Beira |
| Years2: | 1966–1968 |
| Caps2: | 4 |
| Goals2: | 0 |
| Years3: | 1968–1969 |
| Caps3: | 17 |
| Goals3: | 3 |
| Years4: | 1969–1975 |
| Caps4: | 118 |
| Goals4: | 3 |
| Years5: | 1975 |
| Clubs5: | Boston Minutemen |
| Caps5: | 5 |
| Goals5: | 0 |
| Years6: | 1975–1976 |
| Caps6: | 26 |
| Goals6: | 6 |
| Years7: | 1976–1977 |
| Clubs7: | Braga |
| Caps7: | 27 |
| Goals7: | 3 |
| Years8: | 1977–1978 |
| Caps8: | 26 |
| Goals8: | 0 |
| Years9: | 1978–1980 |
| Caps9: | 55 |
| Goals9: | 3 |
| Years10: | 1980–1983 |
| Years11: | 1983–1985 |
| Clubs11: | Peniche |
| Manageryears1: | 1983–1984 |
| Managerclubs1: | Peniche |
| Manageryears2: | 1986 |
| Managerclubs2: | Mozambique |
Carlos Alberto Manaca Dias, known as Carlos Manaca or simply Manaca (born 22 September 1946) is a former Mozambican football player and manager. He also holds Portuguese citizenship.
He played 15 seasons and 326 games in the Primeira Liga for Sporting, Vitória de Guimarães, Estoril, Braga, Vitória de Setúbal and Sanjoanense.
He made his Primeira Liga debut for Sporting on 18 December 1966 in a game against CUF Barreiro.[1]