Subreddits like r/nonmonogamy

region: confessions · questions · askredditafterdark

Non-Monogamy is a blanket term covering several different types of interpersonal relationships in which some or all participants have…

8,402 distinct commenters from Oct 2025 to Sep 2026 · 165,489 subscribers

Similarity is measured by shared commenters, not by text: these are the communities whose commenters overlapped most with r/nonmonogamy's from Oct 2025 to Sep 2026.

• r/enm
  a safe discussion sphere for ethical non monogamy. nudes and erotica not permitted.
• r/throuples
  **Under NEW management. ** This is a Throuple and moreple relationship support & education community. This sub is SOLELY for:-…
• r/sexover30
  A more mature subreddit aimed at posters and commenters over the age of 30 years. *SO30 - Enabling the over thirty crowd to try…
• r/sexpositive
• r/threesomeadvice
  Welcome to Threesome Advice. This sub is where you can ask all the questions you have about finding a 3some, where to begin, etiquette…
• r/sexadvice
  A stripped-down sex-positive questions and answers subreddit (with an emphasis on positive). Feel free to post your questions, and we'll do…
• r/askwomenadvicensfw
  Welcome to AskWomenAdviceNSFW, a place where all women can seek advice on sex, drugs, rock and roll. This community contains mature themes.
• r/askmenover50
  Welcome to Ask Men Over 50! This sub is a place for questions as well as friendly conversation and topics involving men over 50 years old

18+. From the Subreddit Atlas, a map of NSFW Reddit communities built from archived metadata: author names, subreddit names, and counts only, no post content. Methodology & removal requests · all subreddits