"The Two Thousand Words" is a manifesto written by Czech reformist writer Ludvík Vaculík. It was signed by intellectuals and artists on June 17, 1968, in the midst of the Prague Spring, a period of political liberalization in Czechoslovakia that began in January 1968 with the election of Alexander Dubček and ended with the Soviet invasion in August, followed by the Czechoslovak Normalization.

Ludvík Vaculík was a Czech writer and journalist. He was born in Brumov, Moravian Wallachia. A prominent samizdat writer, he was best known as the author of the "Two Thousand Words" manifesto of June 1968.