Ronaldo Augusto Vieira Nan (born 19 July 1998) is a professional footballer who plays for Italian side Hellas Verona, on loan from Sampdoria, mainly operating as a central midfielder.
Born in Guinea Bissau, and also holding Portuguese nationality, he is an England U21 international.
On 30 July 2018, Leeds accepted a bid from Serie A side U.C. Sampdoria for Vieira, with Vieira flying to Italy to complete a medical and discuss personal terms. with the Italian side looking to replace departed midfielder Lucas Torreira. On 1 August, the move was made official as he joined U.C. Sampdoria on a five-year deal for an undisclosed fee, with the Yorkshire Evening Post reporting the fee was over £7 million.
In October 2019 he was subjected to racist taunts from opposition fans.
Loan to Verona
On 3 October 2020, Vieira joined Hellas Verona on loan until 30 June 2021 with an option to buy.