Tomasz Antoni Zamoyski (1707–1752) was a Polish nobleman (szlachcic) who served as the voivode (governor) of Lublin Voivodeship.
In 1733, he supported the election of Stanisà Âaw Leszczyà Âski to the Polish throne. In 1735, after the death of his father, he became the 7th Ordynat of Zamoà Âàestate. In 1738, he was elected envoy to the Sejm. In 1744, he was appointed the voivode (governor) of Lublin Voivodeship.
In 1741, he founded the St. John of Nepomuk Church in Zwierzyniec. He was awarded the Knight of the Order of the White Eagle on 3 August 1746.
He was married to Marianna Lubienska and Aniela Teresa Michowska. He had one child with Michowska, Klemens Zamoyski.