Alceu de Deus Collares (12 September 1927 – 24 December 2024) was a Brazilian politician and lawyer.

He was the Governor of Rio Grande do Sul state (1991–95), and was also a member of the Chamber of Deputies and Mayor of Porto Alegre (1986–89).

[1][2] Collares was a member of the Democratic Labor Party of Brazil.

He died of pneumonia on 24 December 2024, at the age of 97.

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