Henry Theodore Kellogg (August 29, 1869 – September 6, 1942) was an American lawyer and politician from New York.
He then attended Harvard University, graduating cum laude in 1889 with a Bachelor of Arts.
Following graduation he moved to Plattsburgh, New York and joined his father's law office, the firm of Kellogg, Weed and Palmer.
On June 16, 1903, he was appointed by Governor Odell a justice of the New York Supreme Court (4th District) to fill the vacancy caused by the resignation of his father, and was elected as a Republican to a full term in November of the same year.
In 1926, he was elected on the Republican and Democratic tickets to the New York Court of Appeals.