Andrzej Maksymilian Fredro (1620 – 15 June 1679) was a Polish szlachcic and writer.

He was Marshal of the Sejm (zwyczajny) from 16 January to 11 March 1652 in Warsaw.

[dubious – discuss][clarification needed] Fredro fortified Przemyśl in 1658–1660.

[6] In his political writing, Fredro argues that liberum veto is necessary for a republic as big as the Polish–Lithuanian Commonwealth.

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