How do you tell people you're polyamorous?
Decide who actually needs to know and why, then match your disclosure to the relationship. Be matter-of-fact rather than apologetic, lead with what's stable and happy, and answer questions plainly. You're sharing information, not asking permission. You don't owe everyone the news, and safety and custody considerations are legitimate reasons to be selective.
Start by separating who needs to know from who you'd merely like to tell. Close friends, serious partners, and sometimes family are different audiences from coworkers or acquaintances, and you don't owe everyone the same access. There are also real-world reasons for discretion — employment in some fields, and especially custody situations — that make selective disclosure a legitimate strategy rather than shame.
When you do tell someone, tone does a lot of the work. Matter-of-fact beats apologetic: 'I'm polyamorous — I have more than one partner, and everyone involved knows and is happy with it' states it as a fact about your life rather than a confession. Leading with what's stable and good ('I've been with Sam for years, and I'm also seeing Alex') gives people a calm, concrete picture instead of an abstraction to project anxieties onto.
Expect questions, and answer the genuine ones plainly while not treating hostile ones as obligations. Common ones — 'isn't that just cheating?', 'aren't you jealous?' — have short honest answers, and you can always decline to debate. The goal isn't to win anyone over; it's to be known accurately. Some people will take it easily, some will need time, and a few will struggle — which is information about the relationship, not a verdict on your choices.