Arcangelo Ianelli was a painter, sculptor and illustrator from Brazil, who was involved with an artistic group called Grupo Guanabara, along with Manabu Mabe, Yoshiya Takaoka and Tikashi Fukushima. His brother, Tomás Ianelli, was also a painter. He was the father of the painter Rubens Ianelli and grandfather of the poet Mariana Ianelli.
His work and style is briefly described in the 2019 novel Fake Like Me by Barbara Bourland.