Best Religion & Philosophy Subreddits
Faith and philosophy communities covering Christianity, Islam, Judaism, Hinduism, Buddhism, atheism, Stoicism and academic philosophy.
We list 16 religion & philosophy subreddits with about 26.3M subscriptions between them. The median one has 317K members, and the biggest, r/philosophy, has 18.5M.
Tip: Several faith subreddits are for members of that faith only and send debate to separate subreddits. Read the sidebar before you post.
| # | Subreddit | Members | What it’s about |
|---|---|---|---|
| 1 | r/philosophy | 18.5M | /r/philosophy: the portal for public philosophy |
| 2 | r/atheism | 2.9M | Welcome to r/atheism, the web's largest atheist forum. All topics related to atheism, agnosticism and secular living are welcome. |
| 3 | r/im14andthisisdeep | 1.1M | A place to talk about stupid 'deep and meaningful' philosophy found on blogs, tumblr, facebook, reddit, or anywhere else. Insights that people should have outgrown by… |
| 4 | r/Buddhism | 722K | A reddit for all kinds of Buddhist teachings |
| 5 | r/Christianity | 556K | /r/Christianity is a subreddit to discuss Christianity and aspects of Christian life. All are welcome to participate. |
| 6 | r/Psychonaut | 505K | A Psychonaut is a person who explores activities by which altered states of consciousness are induced and utilized for spiritual purposes or the exploration of the human… |
| 7 | r/islam | 383K | r/Islam is the place to discuss any topics related to Islam and Muslims at large. |
| 8 | r/religiousfruitcake | 353K | r/religiousfruitcake is about the absurd, fringe elements of organized religion: institutions and individuals who act in ways any normal person (religious or otherwise)… |
| 9 | r/Catholicism | 281K | /r/Catholicism is a place to present new developments in the world of Catholicism, discuss theological teachings of the Catholic Church, provide an avenue for reasonable… |
| 10 | r/FundieSnarkUncensored | 218K | USE GIVE FUNDIES VIEWS! A subreddit for snarking on fundamentalist Christianity and extreme Christian views. Please read ALL the rules before posting! |
| 11 | r/DebateReligion | 172K | A place to respectfully discuss and debate religion |
| 12 | r/bald | 169K | Welcome to r/Bald! Our philosophy is simple: embrace bald and strive to make the world a more bald-friendly place. We’re often sold the idea that bald is bad. That’s… |
| 13 | r/TrueChristian | 159K | A subreddit for Christians of all sorts. We exist to provide a safe haven for all followers of Jesus Christ to discuss God, Jesus, the Bible, and information relative to… |
| 14 | r/Judaism | 120K | The place for anybody and anything Jewish |
| 15 | r/OrthodoxChristianity | 88K | A subreddit dedicated to discussion of Eastern Orthodox Christianity. |
| 16 | r/Jewish | 80K | r/Jewish is a subreddit devoted to all things culturally, communally, and questionably Jewish. Less religious-focused than other corners of the internet, and always… |
Member counts were recorded in July 2025 and are shown as a size guide; current numbers may differ.
Frequently asked questions
What is the biggest religion & philosophy subreddit?
Of the subreddits on this list, r/philosophy is the largest with about 18,466,031 members, followed by r/atheism with 2,918,882.
Are there smaller religion & philosophy subreddits?
Yes. If the big subreddits feel too busy, try r/Jewish (80K), r/OrthodoxChristianity (88K), r/Judaism (120K). They are the smallest communities on this page.
How is this list ordered?
The 16 religion & philosophy subreddits are sorted by subscriber count (July 2025). A subreddit is included when its name or sidebar description is about religion & philosophy.