Nicolás Rivero y Alonso (15 December 1886-19 April 1946) was a Cuban journalist and diplomat.

In 1909, he was a Cuban consular to Marseille, and one year later he became the inspector of consulates and administrator of the National Bank of Cuba.

In 1919, after his father, Nicolás Rivero y Muñiz, was posthumously granted the title of the 1st Count of Rivero, he automatically became the 2nd Count of Rivero[1] and also became the Administrator of his father's newspaper, Diario de la Marina, for a time.

[2][3] In 1929, Rivero was appointed the position of Honorary Consul General of Hungary to Havana.

[1] He lived in Rome while serving in this post, at the official residence of the ambassador next to the Holy See, and also served as the 3rd Cuban ambassador to Austria.