Thomas Thacher (1850–1918) was an American lawyer and father of Thomas D. Thacher.

Thomas Thacher may also refer to:

• Thomas Anthony Thacher (1815–1886), American classicist and Yale administrator, father of Thomas Thacher
• Thomas Chandler Thacher (1858–1945), U.S. Representative from Massachusetts
• Thomas D. Thacher (1881–1950), American lawyer and judge from New York
• Thomas Thacher (minister) (1620–1678), American clergyman

• Thomas Thatcher (also known as Thomas Thacher), minister from Dedham, Massachusetts

This disambiguation page lists articles about people with the same name.
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