Federico Vairo Moramarco (27 January 1930 – 7 December 2010) was an Argentine football defender who won three consecutive league titles with River Plate and represented Argentina at the 1958 World Cup.

[1] His younger brother Juan Apolonio Vairo Moramarco also played football professionally, including one season for Juventus.

1964 saw O'Higgins' successful return to the Primera División de Chile by winning the Chilean Second Division title.

In 1965 Vairo dedicated his life to the youth leagues as coach of River Plate, where he was in charge of training and turning amateurs to professionals first division footballers.

On 7 December 2010, Federico Vairo died in a hospital in Buenos Aires, Argentina, from stomach cancer.