Manahan

Manahan may refer to:


 * 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
 * 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