Frederick Hampden Winston (November 2, 1830 — February 19, 1904) was a prominent American lawyer who was one of the founders of the law firm that is today Winston & Strawn. He served as the American Minister to Persia, 1885-1886.
Winston was born in Liberty County, Georgia on November 2, 1830. While he was a child, his family moved to Kentucky. After graduating from high school, Winston moved east to study, graduating from Harvard Law School in 1852. Upon graduation, he moved to New York City and was admitted to the bar of New York State. After practicing law in New York for a year, in 1853, Winston moved to Chicago to launch a law practice there.
From 1853 to 1861, Winston partnered with Norman B. Judd, a prominent Republican who nominated Abraham Lincoln at the 1860 Republican National Convention. In 1861, Lincoln appointed Judd as his Minister Plenipotentiary to Berlin, forcing Winston to find a new partner. He then partnered with Henry Williams Blodgett until 1870, when President of the United States Ulysses S. Grant appointed Blodgett to the United States District Court for the Northern District of Illinois. In 1865, Winston began a relationship with what would prove to be a long-term client, the . Winston later represented three prominent railways: the Lake Shore and Michigan Southern Railway, the Chicago, Rock Island and Pacific Railroad, and the Pittsburgh, Fort Wayne and Chicago Railway.