Thomas Lowndes may refer to:
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Thomas Lowndes (astronomer)
Thomas Lowndes (1692 – 12 May 1748) was the founder of the Lowndean professorship of astronomy at Cambridge University, England.
Both his father and mother were Cheshire landowners. In 1725 he was appointed provost marshal of South Carolina ...
(1692–1748), British astronomer
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Thomas Lowndes (congressman)
Thomas Lowndes (January 22, 1766July 8, 1843) was an American planter, lawyer and politician from Charleston, South Carolina. He was the son of Rawlins Lowndes, governor of South Carolina during the American Revolutionary War and half-brother of ...
(1766–1843), U.S. congressman from South Carolina
{{Hndis, name = Lowndes, Thomas