Marcelo Rubens Paiva (born 1959 in São Paulo) is a Brazilian writer born in São Paulo, Brazil. He is the son of Rubens Paiva, who disappeared during Brazil's military dictatorship in 1971.
When jumping off a waterfall, Paiva fractured his spine and became tetraplegic. In 1983, after extensive physiotherapy, he gained the movement of both arms and hands and wrote Feliz Ano Velho (Happy Old Year), an autobiographical recollection of these events and his entire life.
Marcelo Rubens Paiva has also written Blecaute (1986), Ua:brari (1990), As Fêmeas (1992), Bala na Agulha (1994), Não és Tu Brasil (1996), Malu de Bicicleta (2004) and O Homem que Conhecia as Mulheres (2006).
Since 2003, he has been writing a blog for the Brazilian newspaper Estadão.