| Dé | |
| Fullname: | Ademar José Ribeiro |
| Birth Date: | 18 February 1940 |
| Birth Place: | Guariba, Brazil |
| Death Place: | Santos, Brazil |
| Position: | Left back |
| Youthclubs1: | Portuguesa Santista |
| Years1: | 1961–1968 |
| Years2: | 1968 |
| Clubs2: | São Paulo |
| Caps2: | 16 |
| Goals2: | 0 |
| Years3: | 1969–1971 |
| Clubs3: | Palmeiras |
| Caps3: | 127 |
| Goals3: | 5 |
| Years4: | 1973 |
| Years5: | 1974 |
| Clubs5: | Noroeste |
| Years6: | 1975 |
| Clubs6: | New York Cosmos |
| Caps6: | 14 |
| Goals6: | 3 |
| Totalcaps: | 157 |
| Totalgoals: | 8 |
Ademar José Ribeiro (18 February 1940 — 12 April 1992), commonly known as Dé, was a Brazilian football player who played as a left back.[1] He played in the NASL.[2]
Palmeiras