- Piper, Charles (1913-2003)
- Piper, Edward
- Pirani, Eugenio (1852-1939)
- Pircher Orgelpfeifenbau AG
- Pirckmayer, Dr Georg (1918-1977)
- Pirenne, Maurice (1928-2008)
- Pirie, Arthur (1901-)
- Piroye, Charles (1668-c1720)
- Pirro, André (1869-)
- Pirumov, Alexander Ivanovich (1930-1995)
- Pishny-Floyd, Monte Keene (1941-)
- Pisk, Dr Paul Amadeus (1893-1990)
- Piston, Walter Hamor (1894-1976)
- Pitcher, Richard James (1870-1946)
- Pitfield, Thomas Baron (1903-1999)
- Pitman, William Edward (1863-)
- Pitsch, Karl Franz (1786-1858)
- Pitt, Percy (1870-1932)
- Pitt, Thomas
- Pittman, Josiah (1816-1886)
- Pitton, Robert Andrew (1921-2007)
- Pitts, Matthew
- Pitts, William
- Piutti, Karl (Carl) (1846-1902)
- Piva, Franco (1942-)
- Pizarro, David (1931-)
- Place, Eliza Hannah (c1847-1910)
- Plag, Hans (1896-)
- Plag, Johannes (1863-1921)
- Plagge, Wolfgang Antoine (1960-)
- Plaisted, Philip Charles (1844-1920)
- Planchet, Dominique Charles (1857-1946)
- Plant, Dr Arthur Blurton (1853-1914)
- Plant, Harold Browne (1871-)
- Planté, Jules
- Planyavsky, Peter Felix (1947-)
- Plas, A. van den
- Plasencia, Juan Bautista (1816-1855)
- Plasse, Louis (1882-1939)
- Platt, Harry Edwin (1856-)
- Platt, James Kershaw (1870-)
- Plaza Alfonzo, Juan Bautista (1898-1965)
- Pleasants, Thomas (-1689)
- Pleasants, William
- Plé-Caussade, Simone (1897-1985)
- Pleskow, Raoul (1931-)
- Plettner, Arthur Rudolph (1904-1999)
- Pleyel, Ignaz Josef (1757-1831)
- Ploeger, Roland (1928-2004)
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- Pløen, Johan Adolph
- Plog, Anthony (1947-)
- Plomer, Sydney John (c1886-)
- Plomley, James
- Plum, Charles
- Plum, Père Jean Marie (1899-1944)
- Plumpton, Alfred William (1840-1902)
- Plumridge, Margaret
- Plumstead, Albert Christian (1888-)
- Plush, Vincent (1950-)
- Ply, Abbé Hippolyte Joseph (1836-)
- Pocknall, Harold George (1890-)
- Podbielski, Johannes (Jan) (1650-)
- Podda, Marco (1963-)
- Podprocký, Jozef (1944-)
- Poglietti, Alessandro de (1641-1683)
- Pohjanmies, Jalmari Juhani Aleksanteri (1893-1959)
- Pohl, Carl (Karl) Ferdinand (1819-1887)
- Pohl, Michael
- Pohlenz, Christian A. (1799-1843)
- Poirier, Benoît Fidèle (Benjamin Perry) (1882-1965)
- Poisot, Charles Paul Alexandre (-1915)
- Poister, Arthur W. (1898-1980)
- Pokorný, Jaroslav (1952-)
- Pol, Auke (1959-)
- Pol, Jerry van der (1941-)
- Pol, Wijnand van de (1938-)
- Polaczek, Dietmar (1942-)
- Poldini, Ede (1869-1957)
- Pole, Arthur Thomas (1855-)
- Pole, Dr William (1814-1900)
- Polet, Arsene Octave (1887-)
- Poli, Alessandro (1932-)
- Polidori, Arnaldo (1868-)
- Polifrone, Jon (1937-2006)
- Pollard, James
- Pollard, James (1870-)
- Pollard, James (1884-)
- Pollard, Jseph Henry (c1827-)
- Pollard, Shackleton (1887-)
- Pollaroli, Carlo Francesco (c1653-1723)
- Pollen, Anthony Cecil Hungerford (c1860-1940)
- Polleri, Giovanni Battista (1855-1923)
- Pollet, Charles Marie (1878-1933)
- Polley, David (1953-)
- Pollitt, Dr Arthur Wormald (1878-1933)
- Pololánik, Zdeněk (1935-)
- Poltoratsky, Viktor Alexandrovich (1949-1985)
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Organist 
Organist & composer 
Composer 
Organ builder 
Other
