1. People who are recognized, familiar, or have some degree of fame or notoriety
The party was attended by many known people from the entertainment industry.
A festa foi frequentada por muitas pessoas conhecidas da indústria do entretenimento.
2. Individuals with whom one has prior acquaintance or connection
I prefer to travel with known people rather than strangers.
Prefiro viajar com pessoas conhecidas em vez de estranhos.