John Hopkins Foster (January 31, 1862 – September 5, 1917) was an American lawyer and politician who served two terms as a U.S. Representative from Indiana from 1905 to 1909.
Foster was elected as a Republican to the Fifty-ninth Congress to fill the vacancy caused by the resignation of James A. Hemenway.
He was reelected to the Sixtieth Congress and served from May 16, 1905, to March 3, 1909.
He was an unsuccessful candidate for reelection in 1908 to the Sixty-first Congress.
Later career and death
He resumed the practice of law in Evansville, Indiana, where he died September 5, 1917.
He was interred in Oak Hill Cemetery.