Lenihan is an Irish surname. Variants include "Lenighan," "Lenegan" and "Lennihan." People with the name include:
Donal Lenihan (born 1959), a retired Irish rugby union player
Karl Lenihan, former Gaelic football player
Deirdre Lenihan (born 1946), an American actress
Edmund Lenihan (born 1950), an Irish author
Winifred Lenihan (1898–1964), an American actress, writer and director
Graham Linehan (born 1968), Irish writer and director (Father Ted)
Brian Lenihan, Snr (1930–1995), an Irish Fianna Fáil politician
Brian Lenihan, Jnr (1959–2011), an Irish Fianna Fáil politician
Conor Lenihan (born 1963), an Irish Fianna Fáil politician
J. Michael Lenihan (1943-2015), Rhode Island state senator
Leonard Lenihan, Chairman, Erie County Democratic Committee in Erie County, New York
Mary O'Rourke (née Lenihan; born 1937), an Irish Fianna Fáil politician
Patrick Lenihan (1902–1970), a Fianna Fáil politician
George Michael Lenihan OSB (1858–1910, fifth Catholic Bishop of Auckland (1896–1910)
Thomas Mathias Lenihan (1843–1901), a late-19th- and early-20th-century American Catholic bishop
Lenihan Wikipedia (Text) CC BY-SA