Duarte Manuel Pinto Coelho de Almeida Bello (26 July 1921 – 3 July 1994) was a Portuguese competitive sailor and Olympic medalist. He won a silver medal in the Swallow class at the 1948 Summer Olympics in London, together with his brother Fernando Pinto Coelho Bello.
Bello also raced Star class keelboats, winning silver in the 1953 and 1962 World Championship, and bronze in the 1952 World Championship. Bello was also well known as an equipment innovator, inventing a number of items, including automatic "Bello bailers" in 1954, and the circular boom-vang track c. 1962.
Olympic and World Championships
1947 Star World Championships – 10th place (with F. Bello)
1948 Star World Championships – 5th place (with F. Bello)
1948 Olympics – Swallow – Silver Medal (with Fernando Bello)
1951 Star World Championships – 9th place (with F. Bello)
1952 Star World Championships – Bronze (with F. Bello)
1952 Olympics – 5.5 Metre – 4th (with F. Bello & Júlio Gourinho)
1953 Star World Championships – Silver (with João Miguel Tito)
1954 Star World Championships – 6th place (with J. Tito)
1955 Star World Championships – 9th place (with J. Silva)
1956 Star World Championships – 7th place (with J. Silva)
1956 Olympics – Star – 4th place (with Jose Bustorff Silva)
1957 Star World Championships – 28th place (with M. Ricciardi)
1960 Star World Championships – 12th place (with Oliveir)
1960 Olympics – 5.5 Metre – 16th place (with F. Bello & Júlio Gourinho)
1962 Star World Championships – Silver (with F. Bello)
1963 Star World Championships – 27th place (with F. Bello)
1964 Olympics – Star – 8th place (with F. Bello)
1965 Star World Championships – 19th place (with F. Bello)
1966 Star World Championships – 41st place (with Antonio Rocha)
1972 Star World Championships – 31st place (with Manuel Espirito Santo)
1973 Star World Championships – 26th place (with Duke Robinson)
1974 Star World Championships – 18th place (with F. Bello)
1983 Star World Championships – 65th place (with Rui Roque de Pinho)
1986 Star World Championships – 70th place (with Fernando B. Bello)
