Mário Aníbal Dias Sampaio Ramos (born 25 March 1972 in Nova Sintra, Angola) is a former Portuguese decathlete.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1994 | Ibero-American Championships | Mar del Plata, Argentina | bgcolor=gold | 1st | Decathlon | 7.431 pts W |
| 1997 | Athens, Greece | 18th | Decathlon | 7768 pts | ||
| 1998 | Valencia, Spain | 11th | Heptathlon | 5785 pts | ||
| 2000 | Ghent, Belgium | 5th | Heptathlon | 5930 pts iNR | ||
| Sydney, Australia | 12th | Decathlon | 8136 pts NR | |||
| 2001 | Lisbon, Portugal | 7th | Heptathlon | 5867 pts | ||
| Edmonton, Canada | 12th | Decathlon | 8155 pts | |||
| 2002 | Vienna, Austria | 9th | Heptathlon | 5836 pts | ||