Jaap is a Dutch name for boys. The meaning is `conqueror, occupier` The name is very rarely given inthe United States. The name Jaap is -as far as we know- only given to Dutch boys. What do they use in other countries? Jaya (Indian) Jai (Indian) Jae Jacob (Dutch, Scandinavian, English) Kobi (German) Jaye (English) Jay (Indian) Jacobi Jaymes Jimi (E... Found on https://www.pregnology.com/names/boys/Jaap