Name
- Passard, T- B-, Secretary of French Embassy in London1
- Penn, Hannah, 2nd wife of William Penn, Quaker1
- Penn, William, Quaker1
- Phelps, Amos A-, Secretary to the Anti-Slavery Convention1
- Philipps, Richard N-1
- Phillips, Richard, Quaker, of Swansea1
- Ragay, David, Secretary at the Netherlands Embassy in London1
- Roland de la Platière, Jean Marie, French Interior Minister1
- Romilly, Samuel, MP, law reformer1
- Saint-Mauris, Louis Marie François, Prince1
- Scales, Thomas1
- Seoble, John, Secretary, British and Foreign Anti-Slavery Society1
- Sharp, Granville, philanthropist1
- Sheppard, Charles Halford, barrister1
- Smith, M- F-1
- Smith, Patty, daughter of William Smith MP called Martha Frances1
- Society for the Amelioration and gradual Abolition of Slavery1
- Society for the Extinction of the Slave Trade and for the Civilisation of Africa1
- Steele, Joshua, writer on prosody and slavery abolitionist1
- Stokes, Robert, Secretary, Society for the Extinction of the Slave Trade1