Thomas Victor O'Carroll (born 8 August 1945) is a British writer (with dual Irish/British citizenship), pro-paedophile advocate, imprisoned for conspiracy to corrupt public morals and the distribution of child pornography, and with multiple convictions for offences against children.
O'Carroll is a former chairman of the now disbanded Paedophile Information Exchange (PIE) and was at one time a prominent member of the International Paedophile and Child Emancipation (now known as Ipce).