Osvaldo Domínguez Dibb (5 August 1940 – 2 February 2024) was a Paraguayan politician, businessman and the president of Olimpia Asunción.
Domínguez Dibb is mostly known for being the most successful president in the history of Paraguayan association football club Olimpia.
Domínguez Dibb also owned several companies in Paraguay including a newspaper company (Diario La Nación), a radio station (Radio 970 AM), a hotel (Crowne Plaza), a restaurant (Lo de Osvaldo), a real estate (karmar), two tobacco factories (tabacalera boqueron) and (tabacalera montecarlo) one of them having a worth of more than 90 million dollars, the only iron bottle cap factory in the country, owner of a luxurious private neighborhood in San Bernardino (Sunset Hills), and more.
Domínguez Dibb was one of the biggest shareholders in many businesses like Cervepar, De la Sobera Group and Coca-Cola in Paraguay.
Osvaldo Domínguez Dibb was accused by Brazilian authorities of being a major smuggler of cigarettes into Brazil.