1978 United States House of Representatives elections in California

U.S. House of Representatives
U.S. House of Representatives
	1849; 1851; 1852; 1854; 1856; 1859; 1861; 1863; 1864; 1867; 1868; 1871; 1872; 1875; 1876; 1879; 1880; 1882; 1884; 1886; 1888; 1890; 1892; 1894; 1896; 1898; 1900; 1902; 1904; 1906; 1908; 1910; 1912; 1914; 1916; 1918; 1920; 1922; 1924; 1926; 1928; 1930; 1932; 1934; 1936; 1938; 1940; 1942; 1944; 1946 12th; ; 1948; 1950; 1952; 1954; 1956; 1958; 1960; 1962; 1964; 1966; 1968; 1970; 1972; 1974; 1976; 1978; 1980; 1982; 1984; 1986; 1987 5th sp; ; 1988; 1990; 1992; 1994; 1996; 1998; 2000; 2001 32nd sp; ; 2002; 2004; 2005 5th sp; 48th sp; ; 2006 50th sp; ; 2007 36th sp; ; 2008 12th sp; ; 2009 10th sp; 32nd sp; ; 2010; 2011 36th sp; ; 2012; 2014; 2016; 2017 34th sp; ; 2018; 2020 25th sp; ; 2022 22nd sp; ; 2024 16th; 20th sp; 30th; 45th; 47th; ;

U.S. Senate
U.S. Senate
	1849; 1850; 1852 sp; 1856; 1857 sp; 1860; 1860 sp; 1868; 1872; 1873; 1873 sp; 1878; 1880; 1885; 1886 sp; 1887; 1891; 1891 sp; 1893; 1895 sp; 1897; 1900 sp; 1903; 1905; 1909; 1911; 1914; 1916; 1920; 1922; 1926; 1928; 1932; 1934; 1938; 1940; 1944; 1946; 1946 sp; 1950; 1952; 1954 sp; 1956; 1958; 1962; 1964; 1968; 1970; 1974; 1976; 1980; 1982; 1986; 1988; 1992; 1992 sp; 1994; 1998; 2000; 2004; 2006; 2010; 2012; 2016; 2018; 2022; 2022 sp; 2024; 2024 sp; 2028;

U.S. President
U.S. President
	1852; 1856; 1860; 1864; 1868; 1872; 1876; 1880; 1884; 1888; 1892; 1896; 1900; 1904; 1908; 1912; 1916; 1920; 1924; 1928; 1932; 1936; 1940; 1944; 1948; 1952; 1956; 1960; 1964; 1968; 1972; 1976; 1980; 1984; 1988; 1992; 1996 Dem; Rep; ; 2000 Dem; Rep; ; 2004 Dem; Rep; ; 2008 Dem; Rep; ; 2012 Dem; Rep; ; 2016 Dem; Rep; ; 2020 Dem; Rep; ; 2024 Dem; Rep; ;

The United States House of Representatives elections in California, 1978 was an election for California's delegation to the United States House of Representatives, which occurred as part of the general election of the House of Representatives on November 7, 1978. Republicans knocked off three Democratic incumbents. 11th district Congressman Leo Ryan was re-elected, but was murdered while investigating the Peoples Temple in Guyana following the election.