Theodore Miller (May 16, 1816 Hudson, Columbia County, New York - August 18, 1895 Hudson, Columbia Co., NY) was an American lawyer and politician from New York.
He was admitted to the bar in 1837. He was District Attorney of Columbia County from 1843 to 1847.
He was a justice of the New York Supreme Court (3rd District) from 1861 to 1874, and ex officio a judge of the Court of Appeals in 1868.
In 1874, he was elected on the Democratic ticket a judge of the New York Court of Appeals, and remained on the bench until the end of 1886 when he reached the constitutional age limit of 70 years.