- Petre Botnariuc
- Petronela Rotar
- Petrus Din Apono
- Phil Joyce
- Philippe Stern
- Philon Din Alexandria
- Pierre Duhem
- Pierre Janet
- Pierre Tricot
- Pitagora
- Plutarh
- Pooja Lakshmin
- Porfir
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- Rachel Goettmann
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- Radu Ciocanelea
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- Raisa Moldovan
- Raja Selvam
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- Raluca Toth
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- Ramona Ardelean
- Ramona Elena Anghel
- Ramona-Elena Stemate
- Randi Kreger
- Ranjit Maharaj
- Rebecca Kase
- Remus Silvianu
- Renata-Gabriela Tatomir
- Rene Guenon
- Reynold Nicholson
- Ricarda Maria Terschak
- Richard Baker
- Richard C. Schwartz
- Richard Dawkins
- Richard Guare
- Rigpa
- Rinzai
- Robert A. Johnson
- Robert Alberti
- Robert Bly
- Robert Burton
- Robert Calvet
- Robert Henry Charles
- Robert M. Wenley
- Robert Scaer
- Roberta-Carolina Trif
- Robin George Collingwood
- Robin Shapiro
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- Robina Courtin
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- Russell A. Barkley
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- Samad Behrangi
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- Satprem
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- Sebastian Kneipp
- Sebastian Olar
- Sebhia Marie Dibra
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- Seth Porges
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- Sf. Grigorie De Nyssa
- Sf. Ioan Al Crucii
- Sf. Ioan Damaschin
- Sf. Ioan Gura De Aur
- Sf. Maxim Marturisitorul