Leomar de Melo Quintanilha (born October 23, 1945 in Goiânia) is a Brazilian politician.
Formerly a banker with the Banco do Brasil, he served in the Chamber of Deputies representing Tocantins from 1989 until 1995; since 1994 he has represented the state in the Senate of Brazil.
He is a member of the Brazilian Democratic Movement Party.
He is the president of the Federação Tocantinense de Futebol since its foundation in 1990.