Pennsylvania's 27th congressional district was one of Pennsylvania's districts of the United States House of Representatives.

Representative	Party	Years	Cong ress	Electoral history
District established March 4, 1875
Albert G. Egbert (Franklin)	Democratic	March 4, 1875 – March 3, 1877	44th	Elected in 1874. Retired.
Lewis F. Watson (Warren)	Republican	March 4, 1877 – March 3, 1879	45th	Elected in 1876. [data missing]
James H. Osmer (Franklin)	Republican	March 4, 1879 – March 3, 1881	46th	Elected in 1878. Retired.
Lewis F. Watson (Warren)	Republican	March 4, 1881 – March 3, 1883	47th	Elected in 1880. [data missing]
Samuel M. Brainerd (Erie)	Republican	March 4, 1883 – March 3, 1885	48th	Elected in 1882. Lost renomination.
William L. Scott (Erie)	Democratic	March 4, 1885 – March 3, 1889	49th 50th	Elected in 1884. Re-elected in 1886. Renominated but declined to be a candidate because of the condition of his health.
Lewis F. Watson (Warren)	Republican	March 4, 1889 – August 25, 1890	51st	Elected in 1888. Died.
Vacant		August 25, 1890 – November 4, 1890
Charles W. Stone (Warren)	Republican	November 4, 1890 – March 3, 1899	51st 52nd 53rd 54th 55th	Elected to finish Watson's term. Re-elected in 1890. Re-elected in 1892. Re-elected in 1894. Re-elected in 1896 Lost re-election.
Joseph C. Sibley (Franklin)	Democratic	March 4, 1899 – March 3, 1901	56th 57th	Elected in 1898. Re-elected in 1900. Redistricted to the 28th district.
	Republican	March 4, 1901 – March 3, 1903
William O. Smith (Punxsutawney)	Republican	March 4, 1903 – March 3, 1907	58th 59th	Elected in 1902. Re-elected in 1904. Retired.
Joseph G. Beale (Leechburg)	Republican	March 4, 1907 – March 3, 1909	60th	Elected in 1906. Lost renomination.
J. N. Langham (Indiana)	Republican	March 4, 1909 – March 3, 1915	61st 62nd 63rd	Elected in 1908. Re-elected in 1910. Re-elected in 1912. Retired.
Solomon T. North (Punxsutawney)	Republican	March 4, 1915 – March 3, 1917	64th	Elected in 1914. Lost renomination.
Nathan L. Strong (Brookville)	Republican	March 4, 1917 – January 3, 1935	65th 66th 67th 68th 69th 70th 71st 72nd 73rd	Elected in 1916. Re-elected in 1918 Re-elected in 1920. Re-elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Re-elected in 1930. Re-elected in 1932. Lost re-election.
Joseph Gray (Spangler)	Democratic	January 3, 1935 – January 3, 1939	74th 75th	Elected in 1934. Re-elected in 1936. Lost re-election.
Harve Tibbott (Ebensburg)	Republican	January 3, 1939 – January 3, 1945	76th 77th 78th	Elected in 1938. Re-elected in 1940. Re-elected in 1942. Redistricted to the 26th district.
Augustine B. Kelley (Greensburg)	Democratic	January 3, 1945 – January 3, 1953	79th 80th 81st 82nd	Redistricted from the 28th district and re-elected in 1944. Re-elected in 1946. Re-elected in 1948. Re-elected in 1950. Redistricted to the 21st district
James G. Fulton (Pittsburgh)	Republican	January 3, 1953 – October 6, 1971	83rd 84th 85th 86th 87th 88th 89th 90th 91st 92nd	Redistricted from the 31st district and re-elected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Re-elected in 1960. Re-elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Died.
Vacant		October 6, 1971 – April 25, 1972	92nd
William S. Conover (Pittsburgh)	Republican	April 25, 1972 – January 3, 1973		Elected to finish Fulton's term. Lost renomination.
District dissolved January 3, 1973

• Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
• Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.
• Congressional Biographical Directory of the United States 1774–present

40°20′N 80°05′W / 40.333°N 80.083°W / 40.333; -80.083