Biggest List of Subreddits

Browse thousands of subreddits with easy search and filters. See what they're about without leaving the page. It's the absolute easiest way of finding subreddits.
Struggling to find the right subreddits to promote in? With so many communities and strict rules, it's easy to get lost or accidentally break guidelines. But don't worry, there's help. This guide gives you the best list of subreddits to post in, grow your audience, and find fresh content ideas without risking bans. Whether you're looking for engagement, promotion, or inspiration, this list will help you navigate Reddit like a pro.
Reddit | April 9, 2025 | 5 min read

What is a subreddit?

To understand what a subreddit is, you need to first know what Reddit is all about.

It's a massive social media platform with countless groups where users ask questions, share content, and discuss niche ideas. Think of it as the internet's town square or a forum where people with shared interests meet to exchange news, opinions, ideas, and tips.

Reddit is home to any community you can imagine. These communities are formed based on different interests and niches. Each community is known as a subreddit.

Every subreddit has its page, moderators, rules, and culture. For example, r/gaming is all about video games, while r/food is for sharing recipes and food pictures.

Subreddits use a voting system where users can upvote or downvote posts. So, the most interesting and meaningful posts rise to the top.

To join you first need to create a Reddit account and start finding the best subreddits that match your interests. Spend time on each subreddit and get a feel for what matches your vibe. Then, engage other users by voting on posts, leaving comments, or posting your content.

You can also schedule your posts and post multiple pictures on the platform. The goal is to build trust in communities as you interact with users.

You can use Social Rise to schedule and automate your Reddit posts.

Hate Promoting OnlyFans?
You’ll Love This.

Generate and schedule weekly posts for all your socials in minutes—automatically sent out at the best times. Track what works, stay organized, and promote less for more money.

Try For Free

No credit card needed.

Why use this subreddit list

Reddit has over 100,000 active subreddits, with millions of users posting daily. This list of subreddits is important because it helps you search and filter through the chaos.

Engaging in the top subreddits allows you to boost visibility organically and network effectively with fans and fellow creators.

For example, if you're into dogs, you can hop on r/dogpictures and connect with people who like to see and talk about them.

r/dogpictures is one of the best subreddits.

r/dogpictures is one of the best subreddits.

Moreover, about 97 million people are on Reddit daily, so if you're interested in gaining followers from there, there's a crowd waiting. You can also gain new ideas, see trends, and incorporate them into your content.

However, this list of subreddits by size explores only SFW (safe-for-work) communities. Some top subreddits can be wild, but that's not the focus here. You don't want to risk a ban by posting spicy content in these SFW subreddits.

Reserve your spicy posts for NSFW subreddits.

List of subreddits by popularity

The communities here are some of the most popular subreddits right now.

This is a subreddit list of the most popular Reddit communities.

This is a subreddit list of the most popular Reddit communities.

Currently, r/announcements is the most populated subreddit community on the platform, with about 305 million subscribers. However, it's restricted, so only moderators can post there.

That said, r/funny, r/AskReddit, and r/gaming rank second, third, and fourth, respectively.

What is the most popular subreddit? r/AskReddit is among the most popular.

What is the most popular subreddit? r/AskReddit is among the most popular.

Posting in the best subreddits

If you're a creator wanting to share your work in Reddit communities, it's important to do this carefully and respectfully. Here's a simple guide to help you:

Find subreddit that fit you

Find SFW subreddits where you can more easily subtly promote yourself. For example, subreddits like r/Art or r/drawing are good places to share slightly suggestive but SFW drawings without getting caught. After all, it'll be considered art. Other ideas are r/Fitness and r/Photography.

Consider who's there

Some subreddits have more men, and others have more women. If you're targeting male fans, then choose a subreddit where there are more men than women.

Join several subreddits

This is so that you reach more people. By being active in multiple most active subreddits, more users can notice you.

Follow the rules

Read guidelines carefully. Every subreddit has its own rules. Make sure you understand them to avoid breaking any.

What is a subreddit rule list like? This is an example.

What is a subreddit rule list like? This is an example.

Learn the community's style. Spend time observing how members interact to ensure your posts fit in.

Engage before sharing

Join conversations. Comment on posts and answer questions to show you're genuinely interested. Post things that benefit the community, like tips or interesting articles, before sharing anything promotional.

When members see you as a helpful participant, they'll be more open to your content.

Avoid obvious self-promotion

Don't link to or mention any services or offers. Subreddits typically prohibit explicit promotions, and violating this can lead to post removals or bans.

Instead, use indirect promotion. When discussing topics, you might reference your experience without explicit details. In a thread about equipment in r/photography, you could mention, "In my photo shoot sessions, I've found that Canon EOS R5 does the job well." This subtly hints at a product but isn't too obvious.

Optimize your profile

Ensure your Reddit profile includes a catchy bio with links to your other pages. Some people might be curious and check them out.

FAQs about the biggest subreddits

How to find similar subreddits?

To find related subreddits you can use Subreddit Analysis or the plain old Reddit search bar. Enter keywords related to your interests to find relevant communities.​ Also, during your subreddit search, check the subreddit's sidebar. All subreddits list related communities in their sidebars, where you can discover similar ones.

Is there a subreddit for finding subreddits?

Yes, there are specific subreddits where users can discover how to find subreddits. This includes r/findareddit and r/findasubreddit. Here, you can request recommendations for subreddits, and the community will help you find a subreddit about a specific topic.

How many subreddits are there?

There are over 2.2 million subreddits on Reddit right now, but only about 130,000 are really active.

Here's a quick recap of the list of subreddits:

Hate Promoting OnlyFans?
You’ll Love This.

Generate and schedule weekly posts for all your socials in minutes—automatically sent out at the best times. Track what works, stay organized, and promote less for more money.

Try For Free

No credit card needed.

;