Abrahão De Moraes (1916–1970) was a Brazilian astronomer and mathematician.
He taught at the Escola Politécnica and also served as director of the Instituto Astronômico e Geofísico.
The Observatório Abrahão de Moraes (OAM) is named after him. Founded in 1972, it is situated in the municipality of Valinhos, 90 km from São Paulo.
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