Manahan may refer to:
People Aeon Manahan, British songwriter, music producer and performer Anastasia Manahan or Anna Anderson (1896–1984), impostor who claimed to be Grand Duchess Anastasia of Russia Anna Manahan (1924–2009), Irish stage, film and television actress Anthony Manahan (1794–1849), businessman and political figure in Upper Canada Cliff Manahan (1888–1970), Canadian curler from Edmonton, Alberta Denise Manahan-Vaughan, dean of studies and director of the International Graduate School of Neuroscience at the Ruhr University Bochum Donal T. Manahan (born 1953), Irish-born American marine scientist and comparative physiologist Elin Manahan Thomas, British soprano, best known as a performer of Baroque music James Manahan (1866–1932), U.S. Representative from Minnesota Janelle Manahan or Janelle Quintana (born 1989), actress in the Philippines Joey Manahan (born 1971), Filipino American politician Kelly J. Manahan, medical researcher Larry Manahan, former member of the Ohio House of Representatives, serving from 1977 to 1992 Manuel Manahan (1916–1994), Filipino statesman, journalist, businessman, and rural development advocate Michael Manahan (died 2000), Irish civil servant within the Department of Industry and Commerce Robert L. Manahan (1956–2000), American actor Ronald E. Manahan, president of Grace College and Theological Seminary Sheila Manahan (1924–1988), Irish actress
Other uses Manahan (train), a passenger train in Indonesia Manahan Peak, in northeast Ross Island, Antarctica Manahan Stadium, multi-purpose stadium in Surakarta, Indonesia
See also Hanahan (disambiguation) Manahen Manmohan Monahan