Smedley Darlington (December 24, 1827 – June 24, 1899) was an American politician who served as a Republican member of the U.S. House of Representatives for Pennsylvania's 6th congressional district from 1887 to 1891.

[1] He taught at Friends’ Central School for several years, and while teaching he made stenographic reports of sermons, lectures, and speeches for the newspapers of Philadelphia.

He enlisted in the Civil War as a private and was subsequently promoted to the rank of captain in Beaumont’s Independent Company of Cavalry, Pennsylvania Volunteer Emergency Militia.

[1] After the war, Darlington became active in banking and investment brokering, and owned interests in several financial institutions and corporations.

[1] He was an early entrant into the petroleum industry in the 1880s, and maintained an office in Oil City, Pennsylvania from which he managed his involvement.