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K-Pop slang term
What does ISO mean in K-Pop?
About this term
ISO means In Search Of — actively hunting a specific photocard, POB, or merch piece. It is often interchangeable with LF or close to WTB on trading timelines.
Hashtags like #iso + member name are everywhere on Instagram. Beginners need the expansion once, then recognize it forever.
Frequently asked questions
Is ISO only for photocards?
No — albums, lightsticks, concert merch, and other goods appear in ISO posts too.
ISO vs LF?
Same intent in most trading posts — both mean you are looking for something.