Editing List of physicists (section)

== P ==
*[[Thanu Padmanabhan]] – India (1957–2021)
*[[Heinz Pagels]] – United States (1939–1988)
*[[Abraham Pais]] – Netherlands, United States (1918–2000)
*[[Wolfgang K. H. Panofsky]] – Germany, United States (1919–2007)
*[[Eugen N. Parker]] – United States (1927–2022)
*[[Blaise Pascal]] – France (1623–1662)
*[[John Pasta]] – United States (1918–1984)
*[[Sabrina Gonzalez Pasterski]] (born 1993)
*[[Jogesh Pati]] – United States (born 1937)
*[[Petr Paucek]] – United States
*[[Stephen Paul (physicist)|Stephen Paul]] – United States (1953–2012)
*[[Wolfgang Paul]] – Germany (1913–1993) Nobel laureate
*[[Wolfgang Pauli]] – Austria-Hungary (1900–1958) Nobel laureate
*[[Cecilia Payne-Gaposchkin]] – United States (1900–1979) astronomer and astrophysicist
*[[Ruby Payne-Scott]] – Australia (1912–1981)
*[[George B. Pegram]] – United States (1876–1958)
*[[Rudolf Peierls]] – Germany, U.K. (1907–1995)
*[[Jean Charles Athanase Peltier|Jean Peltier]] – France (1785–1845)
*[[Roger Penrose]] – U.K. (born 1931) Wolf laureate, mathematician
*[[Arno Allan Penzias]] – United States (1933–2024) Nobel laureate, electrical engineer
*[[Martin Lewis Perl]] – United States (1927–2014) Nobel laureate
*[[Saul Perlmutter]] – United States (born 1959) Nobel laureate
*[[Jean Baptiste Perrin]] – France (1870–1942) Nobel laureate
*[[Mario Petrucci]] - U.K. (born 1958)
*[[Konstantin Petrzhak]] – Soviet Union, Russia (1907–1998)
*[[Bernhard Philberth]] – Germany (1927–2010)
*[[William Daniel Phillips]] – United States (born 1948) Nobel laureate
*[[Max Planck]] – Germany (1858–1947) Nobel laureate
*[[Joseph Plateau]] – Belgium (1801–1883)
*[[Milton S. Plesset]] – United States (1908–1991)
*[[Ward Plummer]] – United States (1940–2020)
*[[Boris Podolsky]] – Taganrog (1896–1966)
*[[Henri Poincaré]] – France (1854–1912) mathematician
*[[Eric Poisson]] – Canada (born 1965)
*[[Siméon Denis Poisson]] – France (1781–1840) mathematician
*[[Balthasar van der Pol]] – Netherlands (1889–1959) electrical engineer
*[[Joseph Polchinski]] – United States (1954–2018)
*[[Hugh David Politzer]] – United States (born 1949) Nobel laureate
*[[John Polkinghorne]] – U.K. (1930–2021)
*[[Julianne Pollard-Larkin]] – United States
*[[Alexander M. Polyakov]] – Russia, United States (born 1945)
*[[Bruno Pontecorvo]] – Italy, Soviet Union (1913–1993)
*[[Heraclides Ponticus]] – Greece (387–312&nbsp;BC)
*[[Heinz Pose]] – Germany (1905–1975)
*[[Cecil Frank Powell]] – U.K. (1903–1969) Nobel laureate
*[[John Henry Poynting]] – U.K. (1852–1914)
*[[Ludwig Prandtl]] – Germany (1875–1953)
*[[Willibald Peter Prasthofer]] – Austria (1917–1993)
*[[Ilya Prigogine]] – Belgium (1917–2003)
*[[Alexander Prokhorov]] – Soviet, Russian (1916–2002) Nobel laureate
*[[William Prout]] – U.K. (1785–1850)
*[[Luigi Puccianti]] – Italy (1875–1952)
*[[Ivan Pulyuy]] – Ukraine (1845–1918)
*[[Mihajlo Idvorski Pupin]] – Serbia, United States (1858–1935)
*[[Edward Mills Purcell]] – United States (1912–1997) Nobel laureate