Valentin Pikul (1928–1990) – an author of numerous historical novels. >>

Pyotr Pilsky (1879–1941) – a literary critic and publicist. Head of the department of culture in the newspaper «Segodnya». >>

Nikolay Pirogov (1810–1881) – a great doctor and scientist, founder of military surgery, teacher. >>

Vladimir Pirogov (1932–2010) – a Correspondent-member of  Latvian Academy of Sciences (1968), Habilitated Doctor of Computer Science (Dr. habil. sc. comp). Professor of the Riga Polytechnic Institute >>

Ludmila Pismennaya (1927–2010) –  a pedagogue and choir cnductor. Professor of the Latvian Musical Academy and the Riga Pedaggical Academy. >>

Pitirim (Oknov; 1858–1920) – Metropolitan of Petrograd and Ladoga. >>

Jānis Plāters (1877–1958) – a teacher, inspector of the Russian Department of the Ministry of Education of the Republic of Latvia. >>

Pyotr Pratishevsky (1887–1954) – a Headmaster оf the Riga 1st Russian Elementary school. >>

Platon (Gorodetsky; 1803–1891) – an Archbishop of Riga and Jelgava (1848-1867). >>

Bishop Platon (Kulbush; 1869–1919) – a Managing Head of the Riga Eparchy in 1917–1918. >>