Index: R
- Radhasoami Satsang Beas
- Raelian Religion
- Rajneesh, Bhagwan Shree
- Rama, Swami
- Ramadan
- Ram Dass
- Ramtha
- Randi, James
- Randolf, Larry
- Rapture
- Rastafarianism
- Ravi Zacharias International Ministries
- Rawat, Prem
- Reachout Trust
- Reason & Revelation
- Reasoning from the Scriptures
- Rebirthing
- Reconstructionism, Christian
- Recovered Memory Therapy
- Recovery from Mormonism
- Recovery Version
- Redeemed Christian Church of God
- Redfield, James
- Referat für Weltanschauungs und Sektenfragen im Bistum Trier
- ReFocus
- Reformation
- Refuge Ministries
- Reiki
- Reincarnation
- Relativism
- Religion Trends
- Religious Freedom
- Religious Information Network
- Religious Intolerance
- Religious Movement Resource Center
- Religious Movements Homepage, The
- Religious Persecution
- Religious Technology Center
- Religious Tolerance
- REMID
- Remnant Fellowship
- Renewal
- Renewal and Revival Movements
- Renewing Your Mind Online With R.C. Sproul
- Reno, Janet
- Reorganized Church of Jesus Christ of Latter-day Saints
- Replacement Theology
- Research and Education Foundation
- Resource Center for Freedom of Mind
- Rest Ministries
- Resting in the Spirit
- Restoration Movement
- Resurrection
- Reting Lama
- REVEAL
- Revelational Knowledge
- Revelation, Book of
- Revival
- Revival Centres International
- Revival Now! Ministries
- R.E.V.I.V.E.
- Rhema
- Rhodes, Dr. Ron
- Rhuani Satsang
- Riplinger, Gail
- Riss, Richard
- River, in the
- RMT
- Roaring
- Roberts Group, The
- Roberts, Oral
- Robertson, George
- Robertson, Pat
- Robbins, Anthony
- Roden, Ben and Lois
- Roden, George and Amo
- Roggeman, Mark
- Roman Catholic Church
- Rood, Michael (Michael Rood)
- Rosedale, Herbert
- Ross, Nancy
- Ross, Rick / Rick Ross / Rick A. Ross Institute
- Ruckman, Peter
- Ruiter, John de
- Russia
- Ruthven, Jon
- Ryan, Leo J.
- Ryle, James
