Paracelsus, Alchemist, physician and astrologer; Theophrastus Philippus Aureolus Bombastus von Hohenheim (Einsiedeln, Switzerland 11 November or 17 December 1493 - 24 September 1541).

Johnny Paris, Saxophonist; John Pocisk (Walbridge, Ohio 29 August 1940 - 1 May 2006).

Mica Paris, Singer; Michelle Wallen, aka Micha Wallen (London 27 April 1969).

Camilla Parker Bowles, Consort of Prince Charles; Camilla Shand (England, 1947).

Cecil Parker, Actor; Cecil Schwabe (England, 1897-1971).

Dorothy Parker, Writer and columnist; Dorothy Rothschild (USA, 1893-1967).

Fess Parker, Actor & Singer; Fess E. Parker Jr. (Fort Worth, Texas 16 August 1924). TV's Davy Crockett. The initial "E" stood for nothing but Fess adopted "Elisha".

Frank Parker, singer; Frank Ciccio (New York City, New York 1 July 1906).

Jean Parker, Actor; Luise Stephanie Zelinska (Butte, Montana 11 August 1912).

Nosey Parker, 71st (Second Anglican) Archbishop of Canterbury; Matthew Parker (Norwich, England 6 August 1504 - 17 May 1575).

Suzy Parker, Actor and model, was known in later life as Suzy Parker Dillman, but was born Cecelia Anne Renee Parker (Long Island, New York, 26 October 1933 - 3 May 2003).

Colonel Tom Parker, Elvis Presley's manager; Andreas Cornelius van Kuijk aka Andrew Parker (26 June 1909 - 21 January 1997).

Trey Parker, Writer; Randolph Severn Parker III (Conifer, Jefferson County, Colorado 19 October 1969). Co-creator of South Park.

Dian Parkinson, TV Hostess; Dianna Lynn Batts (Camp LeJune North Carolina 30 November 1944).

Lar Park-Lincoln, Actor; née Laurie Jill Park (Dallas, Texas 12 May 1961).

Bert Parks, Actor and television host; Bert Jacobson (Atlanta, Georgia 30 December 1914 - 2 February 1992).

Larry Parks, Actor; Samuel Lawrence Klausman Parks (Olathe, Kansas 13 December 1914 - 13 April 1975).

Rosa Parks, Civil rights campaigner; née Rosa Louise McCauley (Tuskegee, Alabama 4 February 1913 - 24 October 2005).

Julie Parrish, Television actor; Ruby Joyce Wilbar (USA, 1940).

Leslie Parrish, Actor; Marjorie Helen (Melrose, Massachusetts 13 March 1935).

Maxfield Parrish, Artist; Frederick Maxfield Parrish (Philadelphia, 25 July 1870 - 30 March 1966).

Gram Parsons, Country Rock musician; Cecil Ingram Connor III (Winter Haven, Florida 5 November 1946 - 19 September 1973), renamed by his mother on her remarriage.

Louella Parsons, Columnist; Louella Oettinger (USA, 1893-1972).

La Pasionara, Communist agitator and politician; Dolores Gomez Ibarrori (Spain, 1895-1989).

Mandy Patinkin, Actor; Mandel Patinken (USA, 1952).

Sir Angus Paton, Engineer (The Kariba Dam); Thomas Angus Lyall Paton (Jersey, 1905-99).

Jason Patric, Actor; Jason Patric Miller Jr. (USA, 1966).

Butch Patrick, Actor; Patrick Allan Lilley (Los Angeles, California 2 August 1953).

Gail Patrick, Actor;Margaret LaVelle Fitzpatrick (USA, 1911-1980).

Nigel Patrick, Actor; Nigel Dennis Wemyss (London 2 May 1913 - 21 September 1981).

George S. Patton, General and Olympic Athlete; George Smith Patton Jr. (San Gabriel, California 11 November 1885 - 21 December 1945); Nicknamed "Old Blood-and Guts".

Paul, Singer (of Paul & Paula); Ray Hildebrand (Joshua, Texas 21 December 1940).

Adrian Paul, Television Actor; Adrian Paul Hewett (England, 1959).

Billy Paul, Singer; Paul Williams (Philadelphia, Pennsylvania 1 December 1934).

Les Paul, Singer, and inventor of the electric guitar; Lester William Polfuss (Waukesha, Wisconsin 9 June 1915). Married Mary Ford.

Lyn Paul, Singer; Lynda Susan Belcher (Manchester, England 16 February 1949).

P R Paul, Actor; Paul Ray Rosenbaum (New York City 28 July 1956).

Paula, Singer (of Paul & Paula); Jill Jackson (McCaney, Texas 20 May 1942).

Jane Pauley, Television interviewer and anchor; Margaret Jane Pauley (USA, 1950).

Pat Paulsen, Comedian, Patrick Layton Paulsen (South Bend, Washington 6 August 1927 - 24 April 1997).

Marisa Pavan, Actor; Marisa Pierangeli (Cagliari, Sardinia 19 June 1932).

Johnny Paycheck, Country singer; Donald Eugene Lytle, (Greenfield, Ohio 31 May 1937).

Cecil Payne, Saxophonist; Cecil McKenzie Payne (Brooklyn, New York 22 December 1922 - 27 November 2007).